Set an alarm for 4:23 AM

⏰ The alarm will ring at 4:23 AM — in 3 h 09 min
Alarm at 4:23 AM
⏰ 4:23 AM
3Hours
:
9Minutes
:
3Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 4:23 AM

Go to bed atSleep cyclesSleep
7:08 PM69 h
8:38 PM57 h 30 min
10:08 PM46 h
11:38 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 4:23 AM alarm

Snooze length1st2nd3rd
5 minutes4:28 AM4:33 AM4:38 AM
9 minutes4:32 AM4:41 AM4:50 AM
10 minutes4:33 AM4:43 AM4:53 AM

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

About 4:23 AM

At 4 AM early-morning workers begin to stir; delivery drivers, farmers and airport staff often start their day during this hour.

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

About 4:23 AM

12-hour clock4:23 AM
24-hour clock04:23
Military time0423
In wordsTwenty-three minutes past four
Part of the dayNight

Questions about a 4:23 AM alarm

How do I set an alarm for 4:23 AM?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 4:23 AM, which is 3 hours, 9 minutes from now.

What time should I go to bed to wake up at 4:23 AM?

For five full sleep cycles, go to bed around 8:38 PM; for six cycles, around 7:08 PM.