Set an alarm for 23:09

⏰ The alarm will ring at 11:09 PM — in 21 h 06 min
Alarm at 11:09 PM
⏰ 11:09 PM
21Hours
:
6Minutes
:
46Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 11:09 PM

Go to bed atSleep cyclesSleep
1:54 PM69 h
3:24 PM57 h 30 min
4:54 PM46 h
6:24 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 11:09 PM alarm

Snooze length1st2nd3rd
5 minutes11:14 PM11:19 PM11:24 PM
9 minutes11:18 PM11:27 PM11:36 PM
10 minutes11:19 PM11:29 PM11:39 PM

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

About 11:09 PM

11 PM is the last hour of the calendar day; anything due 'by end of day' must be done before midnight.

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

About 11:09 PM

12-hour clock11:09 PM
24-hour clock23:09
Military time2309
In wordsNine minutes past eleven
Part of the dayNight

Questions about a 23:09 alarm

How do I set an alarm for 23:09?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 11:09 PM, which is 21 hours, 6 minutes from now.

What time should I go to bed to wake up at 11:09 PM?

For five full sleep cycles, go to bed around 3:24 PM; for six cycles, around 1:54 PM.