1 hour and 20 minutes timer
1 hour and 20 minutes countdown with alarm.
Timer
01:20:00
Quick presets
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This timer is set to 1 hour and 20 minutes. That is 4,800 seconds, 1.33 hours, 4,800,000 milliseconds. It is 5.6% of a day.
During 1 hour and 20 minutes a resting heart beats about 5,600 times and a person walks roughly 6,400 metres at an easy pace.
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What is a 1 hour and 20 minutes timer good for?
- a long exam
- roasts and slow cooking
- tracking paid parking time
How to use it
Press the space bar or the Start button. When it reaches zero your chosen sound plays; on the main timer page you can add and chain several timers for intervals. Sound and volume settings are saved in your browser.
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Frequently asked questions
1 hour and 20 minutes equals 4,800 seconds.
Press Start: the time is already set. You can pause it, reset it, change the sound or go full screen.
Yes. The timer keeps running in the background and rings when it ends as long as the page stays open; the tab title shows the time left.
In supported browsers the "Keep the screen on" option uses the Wake Lock API to prevent it.