Online alarm clock

Set an alarm for any time today or tomorrow. A big clock shows the current time, and the alarm rings with the sound of your choice.

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No alarm set yet.

Keep this tab open and your device on: the alarm can only ring while the page is open.

Great for

  • Power naps and short rests
  • Reminders while you work
  • Wake-up alarm on a computer

Questions & answers

Does the alarm work if I close the tab?

No. A web page can only ring while it is open. Keep the tab open, the volume up and your device awake.

Can I snooze?

Yes. When the alarm rings, press Snooze for five more minutes or Stop to end it.

What if the time has already passed today?

The alarm is set for that time tomorrow instead.

Try another timer