Set an alarm for 3:03 AM

⏰ The alarm will ring at 3:03 AM — in 1 h 48 min
Alarm at 3:03 AM
⏰ 3:03 AM
1Hours
:
48Minutes
:
17Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 3:03 AM

Go to bed atSleep cyclesSleep
5:48 PM69 h
7:18 PM57 h 30 min
8:48 PM46 h
10:18 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 3:03 AM alarm

Snooze length1st2nd3rd
5 minutes3:08 AM3:13 AM3:18 AM
9 minutes3:12 AM3:21 AM3:30 AM
10 minutes3:13 AM3:23 AM3:33 AM

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

About 3:03 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 3:03 AM

12-hour clock3:03 AM
24-hour clock03:03
Military time0303
In wordsThree minutes past three
Part of the dayNight

Questions about a 3:03 AM alarm

How do I set an alarm for 3:03 AM?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 3:03 AM, which is 1 hour, 48 minutes from now.

What time should I go to bed to wake up at 3:03 AM?

For five full sleep cycles, go to bed around 7:18 PM; for six cycles, around 5:48 PM.