Set an alarm for 11:58 PM

⏰ The alarm will ring at 11:58 PM — in 22 h 43 min
Alarm at 11:58 PM
⏰ 11:58 PM
22Hours
:
43Minutes
:
11Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 11:58 PM

Go to bed atSleep cyclesSleep
2:43 PM69 h
4:13 PM57 h 30 min
5:43 PM46 h
7:13 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 11:58 PM alarm

Snooze length1st2nd3rd
5 minutes12:03 AM12:08 AM12:13 AM
9 minutes12:07 AM12:16 AM12:25 AM
10 minutes12:08 AM12:18 AM12:28 AM

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

About 11:58 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 11:58 PM

12-hour clock11:58 PM
24-hour clock23:58
Military time2358
In wordsTwo minutes to midnight
Part of the dayNight

Questions about a 11:58 PM alarm

How do I set an alarm for 11:58 PM?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 11:58 PM, which is 22 hours, 43 minutes from now.

What time should I go to bed to wake up at 11:58 PM?

For five full sleep cycles, go to bed around 4:13 PM; for six cycles, around 2:43 PM.