starter Set 1 Form Exercise

Start at 8:09. Add 20 minutes. What time is it?

Show answer

Answer: 8:29

Mode
elapsed-time
Difficulty
starter
StartTime
8:09
Delta
20
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 8:09"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="61.64" y2="118.3" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="149.51" y2="64.03" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 8:09

Start at 3:08. Add 10 minutes. What time is it?

Show answer

Answer: 3:18

Mode
elapsed-time
Difficulty
starter
StartTime
3:08
Delta
10
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 3:08"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="142.4" y2="102.96" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="145.48" y2="59.05" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 3:08

Start at 3:36. Subtract 10 minutes. What time is it?

Show answer

Answer: 3:26

Mode
elapsed-time
Difficulty
starter
StartTime
3:36
Delta
-10
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 3:36"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="140.42" y2="113.13" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="64.03" y2="149.51" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 3:36

Start at 12:17. Subtract 5 minutes. What time is it?

Show answer

Answer: 12:12

Mode
elapsed-time
Difficulty
starter
StartTime
12:17
Delta
-5
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 12:17"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="106.28" y2="57.97" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="159.86" y2="112.72" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 12:17

Start at 11:58. Add 10 minutes. What time is it?

Show answer

Answer: 12:08

Mode
elapsed-time
Difficulty
starter
StartTime
11:58
Delta
10
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 11:58"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="99.26" y2="57.51" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="87.28" y2="40.14" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 11:58

Start at 5:52. Subtract 20 minutes. What time is it?

Show answer

Answer: 5:32

Mode
elapsed-time
Difficulty
starter
StartTime
5:52
Delta
-20
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 5:52"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="102.96" y2="142.4" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="54.52" y2="59.05" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 5:52

Start at 1:35. Subtract 20 minutes. What time is it?

Show answer

Answer: 1:15

Mode
elapsed-time
Difficulty
starter
StartTime
1:35
Delta
-20
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 1:35"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="131.33" y2="71.29" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="69.4" y2="153" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 1:35

Start at 5:16. Add 10 minutes. What time is it?

Show answer

Answer: 5:26

Mode
elapsed-time
Difficulty
starter
StartTime
5:16
Delta
10
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 5:16"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="115.92" y2="139.41" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="160.86" y2="106.4" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 5:16

Start at 6:12. Subtract 15 minutes. What time is it?

Show answer

Answer: 5:57

Mode
elapsed-time
Difficulty
starter
StartTime
6:12
Delta
-15
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 6:12"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="95.56" y2="142.27" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="158.2" y2="81.09" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 6:12

Start at 1:14. Add 10 minutes. What time is it?

Show answer

Answer: 1:24

Mode
elapsed-time
Difficulty
starter
StartTime
1:14
Delta
10
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 1:14"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="125.58" y2="66.06" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="160.86" y2="93.6" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 1:14

Start at 11:32. Subtract 20 minutes. What time is it?

Show answer

Answer: 11:12

Mode
elapsed-time
Difficulty
starter
StartTime
11:32
Delta
-20
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 11:32"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="89.72" y2="58.76" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="87.28" y2="159.86" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 11:32

Start at 10:57. Subtract 15 minutes. What time is it?

Show answer

Answer: 10:42

Mode
elapsed-time
Difficulty
starter
StartTime
10:57
Delta
-15
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 10:57"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="77.79" y2="63.76" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="81.09" y2="41.8" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 10:57

Start at 12:27. Subtract 10 minutes. What time is it?

Show answer

Answer: 12:17

Mode
elapsed-time
Difficulty
starter
StartTime
12:27
Delta
-10
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 12:27"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="109.92" y2="58.67" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="118.91" y2="158.2" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 12:27

Start at 10:56. Subtract 10 minutes. What time is it?

Show answer

Answer: 10:46

Mode
elapsed-time
Difficulty
starter
StartTime
10:56
Delta
-10
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 10:56"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="77.48" y2="63.96" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="75.11" y2="44.09" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 10:56

Start at 11:04. Subtract 20 minutes. What time is it?

Show answer

Answer: 10:44

Mode
elapsed-time
Difficulty
starter
StartTime
11:04
Delta
-20
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 11:04"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="80.05" y2="62.47" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="124.89" y2="44.09" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 11:04

Start at 4:59. Add 15 minutes. What time is it?

Show answer

Answer: 5:14

Mode
elapsed-time
Difficulty
starter
StartTime
4:59
Delta
15
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 4:59"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="121.57" y2="136.62" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="93.6" y2="39.14" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 4:59

Start at 5:08. Subtract 15 minutes. What time is it?

Show answer

Answer: 4:53

Mode
elapsed-time
Difficulty
starter
StartTime
5:08
Delta
-15
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 5:08"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="118.63" y2="138.2" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="145.48" y2="59.05" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 5:08

Start at 10:36. Subtract 10 minutes. What time is it?

Show answer

Answer: 10:26

Mode
elapsed-time
Difficulty
starter
StartTime
10:36
Delta
-10
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 10:36"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="71.56" y2="68.42" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="64.03" y2="149.51" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 10:36

Start at 1:10. Add 5 minutes. What time is it?

Show answer

Answer: 1:15

Mode
elapsed-time
Difficulty
starter
StartTime
1:10
Delta
5
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 1:10"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="124.38" y2="65.19" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="153" y2="69.4" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 1:10

Start at 3:24. Subtract 15 minutes. What time is it?

Show answer

Answer: 3:09

Mode
elapsed-time
Difficulty
starter
StartTime
3:24
Delta
-15
Task
elapsed-time
Visual
Type: inline-svg
Svg: <svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg" role="img" aria-label="Clock showing 3:24"><circle cx="100" cy="100" r="85" fill="#fff" stroke="#333" stroke-width="2.5"/><line x1="100" y1="27" x2="100" y2="17" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="108.26" y1="21.43" x2="108.68" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="22.73" x2="117.26" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="24.87" x2="125.65" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="132.13" y1="27.83" x2="133.76" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="36.78" x2="141.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="146.44" y1="36.09" x2="148.79" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="41.29" x2="155.54" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="47.14" x2="161.68" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.91" y1="53.56" x2="167.15" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="63.5" x2="171.88" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="172.17" y1="67.87" x2="175.82" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="75.59" x2="178.94" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="83.57" x2="181.19" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="178.57" y1="91.74" x2="182.55" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="173" y1="100" x2="183" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="178.57" y1="108.26" x2="182.55" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="177.27" y1="116.43" x2="181.19" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="175.13" y1="124.41" x2="178.94" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="172.17" y1="132.13" x2="175.82" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="163.22" y1="136.5" x2="171.88" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="163.91" y1="146.44" x2="167.15" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="158.71" y1="152.86" x2="161.68" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="152.86" y1="158.71" x2="155.54" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="146.44" y1="163.91" x2="148.79" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="136.5" y1="163.22" x2="141.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="132.13" y1="172.17" x2="133.76" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="124.41" y1="175.13" x2="125.65" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="116.43" y1="177.27" x2="117.26" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="108.26" y1="178.57" x2="108.68" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="100" y1="173" x2="100" y2="183" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="91.74" y1="178.57" x2="91.32" y2="182.55" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="177.27" x2="82.74" y2="181.19" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="175.13" x2="74.35" y2="178.94" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="67.87" y1="172.17" x2="66.24" y2="175.82" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="163.22" x2="58.5" y2="171.88" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="53.56" y1="163.91" x2="51.21" y2="167.15" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="158.71" x2="44.46" y2="161.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="152.86" x2="38.32" y2="155.54" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.09" y1="146.44" x2="32.85" y2="148.79" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="136.5" x2="28.12" y2="141.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="27.83" y1="132.13" x2="24.18" y2="133.76" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="124.41" x2="21.06" y2="125.65" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="116.43" x2="18.81" y2="117.26" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="21.43" y1="108.26" x2="17.45" y2="108.68" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27" y1="100" x2="17" y2="100" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="21.43" y1="91.74" x2="17.45" y2="91.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="22.73" y1="83.57" x2="18.81" y2="82.74" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="24.87" y1="75.59" x2="21.06" y2="74.35" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="27.83" y1="67.87" x2="24.18" y2="66.24" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="36.78" y1="63.5" x2="28.12" y2="58.5" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="36.09" y1="53.56" x2="32.85" y2="51.21" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="41.29" y1="47.14" x2="38.32" y2="44.46" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="47.14" y1="41.29" x2="44.46" y2="38.32" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="53.56" y1="36.09" x2="51.21" y2="32.85" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="63.5" y1="36.78" x2="58.5" y2="28.12" stroke="#333" stroke-width="2" stroke-linecap="round"/><line x1="67.87" y1="27.83" x2="66.24" y2="24.18" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="75.59" y1="24.87" x2="74.35" y2="21.06" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="83.57" y1="22.73" x2="82.74" y2="18.81" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><line x1="91.74" y1="21.43" x2="91.32" y2="17.45" stroke="#333" stroke-width="0.8" stroke-linecap="round"/><text x="130.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">1</text><text x="152.83" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">2</text><text x="161" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">3</text><text x="152.83" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">4</text><text x="130.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">5</text><text x="100" y="161" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">6</text><text x="69.5" y="152.83" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">7</text><text x="47.17" y="130.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">8</text><text x="39" y="100" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">9</text><text x="47.17" y="69.5" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">10</text><text x="69.5" y="47.17" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">11</text><text x="100" y="39" text-anchor="middle" dominant-baseline="central" font-family="system-ui, sans-serif" font-size="16" font-weight="600" fill="#222">12</text><line x1="100" y1="100" x2="141.57" y2="108.84" stroke="#222" stroke-width="5" stroke-linecap="round"/><line x1="100" y1="100" x2="135.97" y2="149.51" stroke="#222" stroke-width="3" stroke-linecap="round"/><circle cx="100" cy="100" r="4" fill="#222"/></svg>
AltText: Clock showing 3:24