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Preset countdown

4 Hour Timer

Run a 4 hour timer instantly. The timer below is pre-filled and ready to start in your browser.

Jump to timer5 Hour Timer

4 Hour Timer

Preset online countdown with pause, reset, and quick restart.

Ready to run
00:00:00
Ready to start.
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About this 4 hour timer

This page loads the timer with 4 hours, 0 minutes, and 0 seconds pre-filled so you can start it immediately.

Can I change the duration?

Yes. The fields stay editable after the page loads.

Popular next steps

Why use this timer?

Timer FAQ

Does this timer work in background tabs?

Yes. The timer keeps counting in your browser and will trigger its alarm when it ends.

Does the timer play sound when finished?

Yes. The timer plays an alarm sound when the countdown reaches zero.

Can I use this timer on mobile?

Yes. This online timer works on mobile phones, tablets, and desktop browsers.

Do I need to download anything?

No. It runs directly in your browser with no download required.