1 hour Timer

A simple 1 hour countdown. Press start and the alarm sounds when time is up.

00:00

Ready

Hours Minutes Seconds

Play a sound when time is up

Press the space bar to start or pause. Keep this tab open: the countdown also shows in the tab title.

Other timers

You can change the hours, minutes and seconds above for any other length.

How do I set a 1 hour timer?

Press Start. It is already set. To change the length, edit the boxes first.