Set an alarm for 3:42 AM

⏰ The alarm will ring at 3:42 AM — in 2 h 27 min
Alarm at 3:42 AM
⏰ 3:42 AM
2Hours
:
27Minutes
:
53Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 3:42 AM

Go to bed atSleep cyclesSleep
6:27 PM69 h
7:57 PM57 h 30 min
9:27 PM46 h
10:57 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 3:42 AM alarm

Snooze length1st2nd3rd
5 minutes3:47 AM3:52 AM3:57 AM
9 minutes3:51 AM4:00 AM4:09 AM
10 minutes3:52 AM4:02 AM4:12 AM

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

About 3:42 AM

The 3 AM hour is the quietest part of the night for traffic and phone networks, which is why maintenance windows are often scheduled now.

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

About 3:42 AM

12-hour clock3:42 AM
24-hour clock03:42
Military time0342
In wordsEighteen minutes to four
Part of the dayNight

Questions about a 3:42 AM alarm

How do I set an alarm for 3:42 AM?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 3:42 AM, which is 2 hours, 27 minutes from now.

What time should I go to bed to wake up at 3:42 AM?

For five full sleep cycles, go to bed around 7:57 PM; for six cycles, around 6:27 PM.