20 minute timer
20 minutes on the clock, starting now.
Space to start or pause, R to reset, F for fullscreen.
- Starts in one click
- Loud repeating alarm
- Adjustable if you need more or less time
How to use the 20 minute timer
- Click Start to begin counting down from 20 minutes.
- Adjust the time first if you need a little more or less.
- The alarm sounds at zero. Click Dismiss to stop it.
What fits into 20 minutes
| Use | Why 20 minutes |
|---|---|
| Power nap | Long enough to feel refreshed without sliding into deep sleep |
| 20-20-20 eye break interval | The screen-break interval recommended by optometrists |
| A sitcom episode without ads | About how much content is left in a 30 minute broadcast slot |
| A full HIIT workout | A common complete session length at high intensity |
| Roasting vegetables | A typical oven time for many vegetables at high heat |
| A focused study block | Long enough to cover one topic without losing focus |
Building a habit around 20 minutes
20 minutes sits in a useful middle ground: long enough to finish something real, short enough to repeat daily without it feeling like a burden. That is part of why it shows up in nap guidance, eye care advice and workout routines all at once.
If you are timing recurring screen breaks with the 20-20-20 rule, restart this timer as soon as you look back at the screen so the next reminder lands 20 minutes later.
Making a 20 minute nap actually work
- Nap somewhere reasonably dark and quiet rather than fighting bright light or noise.
- Set the alarm before you lie down so you are not tempted to check the time yourself.
- Give yourself a minute or two to wake up properly before jumping straight back into something demanding.
20 minute timer FAQ
What is a 20 minute timer good for?
A short nap, a workout block, a study session, or timing something in the oven all fit well in 20 minutes.
Is a 20 minute nap actually useful?
Many sleep researchers suggest 20 minutes as a good nap length, long enough to feel refreshed without falling into deep sleep that leaves you groggy.
What is the 20-20-20 rule?
Optometrists recommend that for every 20 minutes spent looking at a screen, you look at something about 20 feet away for 20 seconds, which helps reduce digital eye strain. This timer can mark that 20 minute interval for you.
Why does a 30 minute TV slot only have about 20 minutes of show?
Commercial breaks take up several minutes of every half-hour broadcast slot, leaving roughly 20 to 22 minutes of actual episode content, close enough that this timer covers most sitcom episodes without ads.
Is a 20 minute HIIT workout enough?
It is a common full length for a high intensity interval session, since the effort level is high enough that longer sessions are not always necessary. Pair it with the interval timer to structure the work and rest rounds inside those 20 minutes.
Is 20 minutes a good length for a nap at work?
It fits most lunch breaks and avoids the grogginess of a longer nap, though check your workplace's own break policy before setting one up at your desk.
Can I use this instead of an oven timer?
Yes, it works alongside your oven's own timer as a louder or more visible backup, especially useful if you are in another room and might not hear the oven beep.