Set an alarm for 2:43

⏰ The alarm will ring at 2:43 AM — in 1 h 30 min
Alarm at 2:43 AM
⏰ 2:43 AM
1Hours
:
30Minutes
:
35Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 2:43 AM

Go to bed atSleep cyclesSleep
5:28 PM69 h
6:58 PM57 h 30 min
8:28 PM46 h
9:58 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 2:43 AM alarm

Snooze length1st2nd3rd
5 minutes2:48 AM2:53 AM2:58 AM
9 minutes2:52 AM3:01 AM3:10 AM
10 minutes2:53 AM3:03 AM3:13 AM

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

About 2:43 AM

Around 2 AM most people are in their deepest stretch of sleep. In regions that observe daylight saving time, clocks usually change at 2:00 AM.

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

About 2:43 AM

12-hour clock2:43 AM
24-hour clock02:43
Military time0243
In wordsSeventeen minutes to three
Part of the dayNight

Questions about a 2:43 alarm

How do I set an alarm for 2:43?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 2:43 AM, which is 1 hour, 30 minutes from now.

What time should I go to bed to wake up at 2:43 AM?

For five full sleep cycles, go to bed around 6:58 PM; for six cycles, around 5:28 PM.