Online Alarm Clock
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Set New Alarm
Quick Presets
Alarm Sound
Alarms
No alarms yet. Add one above or tap a preset.
What is an online alarm clock?
An online alarm clock runs in your browser so you can set wake-up times, reminders, or schedule cues without installing an app. Pick a clock time, keep the tab open, and the page alerts you when that time arrives.
How do I set an alarm online?
Choose the hour and minute with the selectors, then pick AM or PM. Select an alert sound, or choose No Sound for a silent on-page alert. Click Add Alarm. You can stack several alarms, or use the quick presets for common times. Use Test to preview the selected sound.
Will my alarm work if I close the tab?
This alarm needs the browser tab to stay open. It can still ring if you switch to another tab, as long as the page keeps running in the background. Closing the tab or the browser stops the alarms. It is not a phone OS alarm that works with the screen locked.
Related: Timer, Stopwatch, Countdown timer