Set an alarm for 22:15

⏰ The alarm will ring at 10:15 PM — in 20 h 14 min
Alarm at 10:15 PM
⏰ 10:15 PM
20Hours
:
14Minutes
:
11Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 10:15 PM

Go to bed atSleep cyclesSleep
1:00 PM69 h
2:30 PM57 h 30 min
4:00 PM46 h
5:30 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 10:15 PM alarm

Snooze length1st2nd3rd
5 minutes10:20 PM10:25 PM10:30 PM
9 minutes10:24 PM10:33 PM10:42 PM
10 minutes10:25 PM10:35 PM10:45 PM

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

About 10:15 PM

The 10 PM hour is a common bedtime for adults with an early start the next morning.

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

About 10:15 PM

12-hour clock10:15 PM
24-hour clock22:15
Military time2215
In wordsQuarter past ten
Part of the dayNight

Questions about a 22:15 alarm

How do I set an alarm for 22:15?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 10:15 PM, which is 20 hours, 14 minutes from now.

What time should I go to bed to wake up at 10:15 PM?

For five full sleep cycles, go to bed around 2:30 PM; for six cycles, around 1:00 PM.