Set an alarm for 0:09

⏰ The alarm will ring at 12:09 AM — in 21 h 19 min
Alarm at 12:09 AM
⏰ 12:09 AM
21Hours
:
19Minutes
:
21Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 12:09 AM

Go to bed atSleep cyclesSleep
2:54 PM69 h
4:24 PM57 h 30 min
5:54 PM46 h
7:24 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 12:09 AM alarm

Snooze length1st2nd3rd
5 minutes12:14 AM12:19 AM12:24 AM
9 minutes12:18 AM12:27 AM12:36 AM
10 minutes12:19 AM12:29 AM12:39 AM

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

About 12:09 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 12:09 AM

12-hour clock12:09 AM
24-hour clock00:09
Military time0009
In wordsNine minutes past midnight
Part of the dayNight

Questions about a 0:09 alarm

How do I set an alarm for 0:09?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 12:09 AM, which is 21 hours, 19 minutes from now.

What time should I go to bed to wake up at 12:09 AM?

For five full sleep cycles, go to bed around 4:24 PM; for six cycles, around 2:54 PM.