Timing · Live

⏱️ Stop the Clock

Pick a target time. Start the clock. Tap STOP at exactly that time — without looking at the numbers!

Target time
Or custom:
0.00
Target: 10.00s · Tap START, then STOP at the right moment
Challenge: The clock is hidden while it runs — use your internal clock only!
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About Stop the Clock

Stop the Clock is a free online timing-skill game that tests your internal clock. Pick a target time, start the hidden timer, then tap STOP when you feel that many seconds have passed — get within 0.3 seconds to win. With the numbers hidden while it runs, it's a pure test of time perception and focus. A fun, quick challenge that plays instantly in any browser with no download.

📋 How to Play Stop the Clock

  1. Pick a target time (or set your own).
  2. Tap Start — the clock is hidden while it runs.
  3. Tap STOP when you feel the time has passed. Within 0.3 s wins!

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Answers

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How do I play Stop the Clock?
Pick a target time, start the hidden timer, and tap STOP when you think that many seconds have passed. Get within 0.3s to win.