20 Minute Timer
Eye doctors suggest the 20-20-20 rule. Every 20 minutes, look at something 20 feet away for 20 seconds. Press play to start the 20 minute countdown, or switch the direction to count up.
Full screen with only the timer. Made for projectors, TVs, and smartboards.
What people use a 20 minute timer for
- Remind yourself to rest your eyes
- Take a 20-minute nap
- Run a timed reading block
How long is 20 minutes?
20 minutes is 1,200 seconds. The timer starts at 20:00 and alerts you when it reaches zero.
What is a 20 minute timer good for?
Eye doctors suggest the 20-20-20 rule. Every 20 minutes, look at something 20 feet away for 20 seconds. People also use it to remind yourself to rest your eyes, take a 20-minute nap, or run a timed reading block.
Can I project the 20 minute timer on a big screen?
Yes. Click Present on a big screen and the page shows only the timer, full screen, in digits large enough to read from the back of a room.
Can the 20 minute timer count up or finish silently?
Yes. Count up climbs from 00:00 to 20:00 and still alerts you at the end, and setting the alarm to Off gives a silent finish.
More Countdown Timers
Jump straight to a preset countdown. Every timer starts with one click.
- Custom Timer
- 1 Minute Timer
- 2 Minute Timer
- 3 Minute Timer
- 4 Minute Timer
- 5 Minute Timer
- 6 Minute Timer
- 7 Minute Timer
- 8 Minute Timer
- 9 Minute Timer
- 10 Minute Timer
- 11 Minute Timer
- 12 Minute Timer
- 13 Minute Timer
- 14 Minute Timer
- 15 Minute Timer
- 16 Minute Timer
- 17 Minute Timer
- 18 Minute Timer
- 19 Minute Timer
- 25 Minute Timer
- 30 Minute Timer
- 35 Minute Timer
- 40 Minute Timer
- 45 Minute Timer
- 50 Minute Timer
- 55 Minute Timer
- 60 Minute Timer
- 90 Minute Timer
- 120 Minute Timer