36 Hour Timer

36 hours = 2,160 minutes = 129,600 seconds

36 : 00 : 00

 

About this 36 hour timer

A free 36-hour countdown timer that starts with one click.

Press start and the timer shows exactly when your 36 hours will be up. It rings at zero, goes full screen for classrooms and kitchens, and remembers where it was if you refresh the page.

What people use a 36 hour timer for

  • 36-hour fasts
  • Weekend challenges
  • Long curing and drying times
  • Game jams

36 hours at a glance

In minutes2,160 minutes
In seconds129,600 seconds
Halfway point18 hours
Share of a day150%
Start now and it ends at—

How to use the 36 hour timer

  1. The timer is ready at 36:00:00. Tap Edit time to change it.
  2. Press Start Timer (or the space bar). The finish time appears under the digits.
  3. Press Full screen to fill the screen — handy for classrooms, meetings and kitchens.
  4. When it reaches zero an alarm plays until you press Stop Alarm.

Keyboard shortcuts

  • Space start / pause
  • R reset
  • F full screen
  • M mute

Frequently asked questions

How many minutes are in 36 hours?

36 hours is 2,160 minutes, or 129,600 seconds.

How do I set a 36 hour timer?

Press Start Timer — it is already set to 36:00:00. To change the length, tap Edit time, enter hours, minutes and seconds, then press Set. You can also add a minute at any point with +1 min.

Will the timer keep running if I refresh or close the tab?

Yes. The end time is saved in your browser, so reopening this page shows the correct time left. To hear the alarm, keep the tab open and your device's sound on.

Does the timer work on a phone?

Yes. It runs in any modern mobile browser with no app or sign-up, and it asks your phone to keep the screen awake while it runs.

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