00:00

Keep this tab open with the sound on. The timer keeps correct time in a background tab, but a phone or laptop that goes to sleep may delay the alarm until you wake it; turn on Keep screen on for long timers.

Options

78 minute timer

Press Start and an alarm will ring in exactly 78 minutes. Good for a long exam or a slow cook.

78 minutes is 1 hour and 18 minutes (1.3 hours), or 4,680 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