20 Minute Timer
Counts down 20 minutes, with optional breaks. Ends at … if you start now.
Intervals
Alarm
Keeps playing while you switch tabs.
Keyboard shortcuts
- Space
- Start or pause
- R
- Reset the current session
- S
- Skip to the next interval
- F
- Full screen
- T
- Switch light and dark
No tasks yet. Add the one thing you are doing.
- Today
- 0 min
- This week
- 0 min
- All time
- 0 min
- Sessions today
- 0
- Streak
- 0 days
This is a twenty-minute countdown. Press start once and it runs to zero and rings. The finishing time is fixed when you start and compared with your clock, so background tabs, sleeping screens and slow machines do not make it drift. Nothing to install.
Twenty minutes is the pomodoro for people who find twenty-five slightly too long, and it divides an hour cleanly into three, which makes it easy to plan around. It is also the interval behind the 20-20-20 habit that eye specialists suggest for screen work: every twenty minutes, look at something about twenty feet away for twenty seconds. Set the timer, let it ring, look up, start it again. The countdown does the remembering that nobody manages on their own.
What fits in 20 minutes
- A focus block that divides an hour into three equal pieces
- The reminder interval for the 20-20-20 screen habit
- A twenty-minute nap, short enough to get up from without a fight
- Roasting vegetables or anything else with an oven step you will otherwise forget
- A timed tidy of a whole room, working fast rather than perfectly
As a pomodoro
A slightly shorter pomodoro. Twenty minutes of focus with a five-minute break keeps the classic shape and fits three whole cycles into an hour and a quarter.
Four 20-minute sessions with 5-minute breaks take 1 hour 35 minutes.
FAQ
What is the 20-20-20 rule?
Every twenty minutes of screen work, look at something roughly twenty feet away for twenty seconds. Eye care organisations suggest it for screen-related eye strain. It is a habit, not treatment, and a timer is the only reliable way to remember it, since the whole problem is that you get absorbed.
Is twenty minutes a good focus block?
It is a good starting length, particularly if twenty-five feels like a stretch. Three blocks fit an hour with breaks, which makes planning simple. Deep work with a slow warm-up will suffer at this length, so move up to forty or fifty once the habit holds.
Can I run twenty-minute sessions with breaks automatically?
Yes. Set the focus length to twenty and switch on auto-start breaks, and the timer will move you into the break as each session ends. Set how many sessions come before the long break and it will schedule that too, without you clicking anything.