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Options

8 hour timer

Press Start and an alarm will ring in exactly 8 hours. Good for a long study session, a workout, or a class.

8 hours is 8 hours (8 hours), or 28,800 seconds. The timer keeps exact time in a background tab and shows the time left in the tab title. Press Space to pause, R to reset, F for full screen.

Other timers

Seconds

Minutes and hours

Set a custom timer · Stopwatch · Pomodoro timer · Classroom timer