Set an alarm for 12:00 AM

⏰ The alarm will ring at 12:00 AM — in 5 h 14 min
Alarm at 12:00 AM
⏰ 12:00 AM
5Hours
:
14Minutes
:
55Seconds
Friday, September 25, 2026

Set an alarm for another time

Best bedtimes to wake up at 12:00 AM

Go to bed atSleep cyclesSleep
2:45 PM69 h
4:15 PM57 h 30 min
5:45 PM46 h
7:15 PM34 h 30 min

Assumes about 15 minutes to fall asleep and sleep cycles of roughly 90 minutes. Cycle length varies from person to person, so treat these as estimates.

Snooze times after a 12:00 AM alarm

Snooze length1st2nd3rd
5 minutes12:05 AM12:10 AM12:15 AM
9 minutes12:09 AM12:18 AM12:27 AM
10 minutes12:10 AM12:20 AM12:30 AM

Nine minutes is the traditional snooze length on many alarm clocks.

About 12:00 AM

Midnight starts a new calendar day. Date-based deadlines, daily counters and many scheduled computer jobs reset during this hour, and most people are asleep.

Press “Start Alarm” and keep this tab open; press “Test Alarm” first to check the volume.

About 12:00 AM

12-hour clock12:00 AM
24-hour clock00:00
Military time0000
In wordsMidnight
Part of the dayNight

Questions about a 12:00 AM alarm

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

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 12:00 AM, which is 5 hours, 14 minutes from now.

What time should I go to bed to wake up at 12:00 AM?

For five full sleep cycles, go to bed around 4:15 PM; for six cycles, around 2:45 PM.