21 Minute Timer
Click start and watch a 21-minute countdown with a flashing alert and beep when time runs out.
21 Minute Countdown
21:00
Summary
Click start and watch a 21-minute countdown with a flashing alert and beep when time runs out.
How it works
- Click "Start" to begin the 21-minute countdown.
- Watch the clock and the ring shrink as time passes.
- Hear a short beep and see the screen flash when it hits zero.
- Click "Pause" at any time and "Resume" to continue from where you left off.
- Click "Reset" to set the timer back to 21 minutes and run it again.
Use cases
- Time a 21-minute study or focus sprint.
- Run a 21-minute HIIT or workout block.
- Time a 21-minute meditation or breathing session.
- Set a limit for a break or short rest period.
- Time a 21-minute quiz or exam section.
- Use as a visual cue during presentations or streams.
- Time a 21-minute cooking or baking step.
Frequently Asked Questions
Last updated: 2026-07-21 ·
Reviewed by Nham Vu