20 Minute Timer
A 20 minute timer provides the optimal window for restorative sleep without grogginess, computer screen eye-relief habits, and concentrated study bursts.
Custom Duration (Hours, Mins, Secs)
How to use the 20 minute timer
Begin countdown
Tap Start or press Spacebar to begin 20 minutes (1200 seconds) of timed focus or rest.
Floating window
Use Picture-in-Picture (press P) to keep an always-visible floating clock in the corner of your screen.
Clear sound notification
Your alert sounds the moment 20 minutes conclude.
Popular Uses for a 20 Minute Timer
Frequently Asked Questions
What is the 20-20-20 rule for eye strain?
Optometrists recommend taking a break every 20 minutes to look at an object at least 20 feet away for at least 20 seconds, preventing digital eye fatigue.
Can I change the duration from 20 minutes if needed?
Yes. Click "Edit Timer" or expand "Custom Duration" to enter any specific hour, minute, or second configuration you prefer.
Does the timer sound play through headphones or external speakers?
The sound plays through your default system audio output device at your configured browser volume level.