Set an alarm for 12:30 AM

⏰ The alarm will ring at 12:30 AM — in 5 h 44 min
Alarm at 12:30 AM
⏰ 12:30 AM
5Hours
:
44Minutes
:
53Seconds
Friday, September 25, 2026

Set an alarm for another time

Best bedtimes to wake up at 12:30 AM

Go to bed atSleep cyclesSleep
3:15 PM69 h
4:45 PM57 h 30 min
6:15 PM46 h
7:45 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 12:30 AM alarm

Snooze length1st2nd3rd
5 minutes12:35 AM12:40 AM12:45 AM
9 minutes12:39 AM12:48 AM12:57 AM
10 minutes12:40 AM12:50 AM1:00 AM

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

About 12:30 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 12:30 AM

12-hour clock12:30 AM
24-hour clock00:30
Military time0030
In wordsHalf past midnight
Part of the dayNight

Questions about a 12:30 AM alarm

How do I set an alarm for 12:30 AM?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 12:30 AM, which is 5 hours, 44 minutes from now.

What time should I go to bed to wake up at 12:30 AM?

For five full sleep cycles, go to bed around 4:45 PM; for six cycles, around 3:15 PM.