Online Alarm Clock
12:00:00AM

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Quick alarms

Set Any Alarm in One Click

Every time has a dedicated page — the alarm pre-loaded and ready to set.

Set Alarm for 12:00 AM

Setting an alarm for 12:00 AM is instant on ClockUnit — enter the time, click Set Alarm, and the alarm fires with a looping sound until you dismiss it.

Why Set an Alarm for 12:00 AM?

Common reasons people set this exact alarm.

🎉

New Year countdown

Set a midnight alarm to mark exactly when the new year begins.

💊

Medication schedule

Some medications require precise midnight dosing. A midnight alarm ensures you never miss a scheduled dose.

🌙

Night owl reminder

Use a midnight alarm as a "go to bed" cue if you tend to lose track of time working or watching content.

🔁

Day change marker

Developers and planners sometimes use a midnight alarm to mark daily resets for habits, logs, or tracking systems.

Set Alarm for 12:00 AM — FAQ

What time is 12:00 AM?

12:00 AM is midnight.

How do I set an alarm for 12:00 AM?

Enter 12 in the hour field and 00 in the minute field, select AM, then click Set Alarm. The alarm fires at 12:00 AM with a looping sound.

Does the alarm work if I switch tabs?

Yes. The alarm fires even when ClockUnit is not the active tab. Enable browser notifications in Settings for a system alert when minimised.