Set an alarm for 23:33

⏰ The alarm will ring at 11:33 PM — in 22 h 19 min
Alarm at 11:33 PM
⏰ 11:33 PM
22Hours
:
19Minutes
:
59Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 11:33 PM

Go to bed atSleep cyclesSleep
2:18 PM69 h
3:48 PM57 h 30 min
5:18 PM46 h
6:48 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 11:33 PM alarm

Snooze length1st2nd3rd
5 minutes11:38 PM11:43 PM11:48 PM
9 minutes11:42 PM11:51 PM12:00 AM
10 minutes11:43 PM11:53 PM12:03 AM

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

About 11:33 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 11:33 PM

12-hour clock11:33 PM
24-hour clock23:33
Military time2333
In wordsTwenty-seven minutes to midnight
Part of the dayNight

Questions about a 23:33 alarm

How do I set an alarm for 23:33?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 11:33 PM, which is 22 hours, 19 minutes from now.

What time should I go to bed to wake up at 11:33 PM?

For five full sleep cycles, go to bed around 3:48 PM; for six cycles, around 2:18 PM.