Set an alarm for 23:05

⏰ The alarm will ring at 11:05 PM — in 21 h 03 min
Alarm at 11:05 PM
⏰ 11:05 PM
21Hours
:
3Minutes
:
40Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 11:05 PM

Go to bed atSleep cyclesSleep
1:50 PM69 h
3:20 PM57 h 30 min
4:50 PM46 h
6:20 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 11:05 PM alarm

Snooze length1st2nd3rd
5 minutes11:10 PM11:15 PM11:20 PM
9 minutes11:14 PM11:23 PM11:32 PM
10 minutes11:15 PM11:25 PM11:35 PM

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

About 11:05 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 11:05 PM

12-hour clock11:05 PM
24-hour clock23:05
Military time2305
In wordsFive minutes past eleven
Part of the dayNight

Questions about a 23:05 alarm

How do I set an alarm for 23:05?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 11:05 PM, which is 21 hours, 3 minutes from now.

What time should I go to bed to wake up at 11:05 PM?

For five full sleep cycles, go to bed around 3:20 PM; for six cycles, around 1:50 PM.