13 hour timer
Press Start and an alarm will ring in exactly 13 hours. Good for a long fast, slow cooking, or a long trip.
13 hours is 780 minutes, or 46,800 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.
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Set a custom timer · Stopwatch · Pomodoro timer · Classroom timer