Set an alarm for 1:03 AM

⏰ The alarm will ring at 1:03 AM — in 23 h 48 min
Alarm at 1:03 AM
⏰ 1:03 AM
23Hours
:
48Minutes
:
5Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 1:03 AM

Go to bed atSleep cyclesSleep
3:48 PM69 h
5:18 PM57 h 30 min
6:48 PM46 h
8:18 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 1:03 AM alarm

Snooze length1st2nd3rd
5 minutes1:08 AM1:13 AM1:18 AM
9 minutes1:12 AM1:21 AM1:30 AM
10 minutes1:13 AM1:23 AM1:33 AM

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

About 1:03 AM

The 1 AM hour is deep in the night. Night-shift workers, bakers and flight crews are among the few people routinely awake.

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

About 1:03 AM

12-hour clock1:03 AM
24-hour clock01:03
Military time0103
In wordsThree minutes past one
Part of the dayNight

Questions about a 1:03 AM alarm

How do I set an alarm for 1:03 AM?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 1:03 AM, which is 23 hours, 48 minutes from now.

What time should I go to bed to wake up at 1:03 AM?

For five full sleep cycles, go to bed around 5:18 PM; for six cycles, around 3:48 PM.