Online Alarm Clock
Set an alarm using your device clock. Keep this tab and device awake; background suspension can delay or silence browser alarms.
Runs in your browser — nothing is uploaded00:00
Notifications are optional. A passed time means tomorrow. This tab cannot wake a sleeping device.
Laps
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How to use Online Alarm Clock
- Set the clock time and test sound.
- Arm the alarm; a time already passed schedules tomorrow.
- Use snooze or cancel. Enable daily repeat or notifications only if wanted.
Questions
Will an alarm work with the device asleep?
No guarantee. Browsers and operating systems can suspend tabs, sound or timers. Keep the device awake; use a dedicated alarm for critical wake-ups.
Does the alarm repeat automatically?
No. Daily repeat is opt-in; otherwise the alarm stops after ringing. Snooze schedules a new alarm five minutes later.