Set an alarm for 1:21 PM

⏰ The alarm will ring at 1:21 PM — in 12 h 06 min
Alarm at 1:21 PM
⏰ 1:21 PM
12Hours
:
6Minutes
:
3Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 1:21 PM

Go to bed atSleep cyclesSleep
4:06 AM69 h
5:36 AM57 h 30 min
7:06 AM46 h
8:36 AM34 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 1:21 PM alarm

Snooze length1st2nd3rd
5 minutes1:26 PM1:31 PM1:36 PM
9 minutes1:30 PM1:39 PM1:48 PM
10 minutes1:31 PM1:41 PM1:51 PM

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

About 1:21 PM

The 1 PM hour follows lunch, and many people notice a natural dip in alertness in the early afternoon.

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

About 1:21 PM

12-hour clock1:21 PM
24-hour clock13:21
Military time1321
In wordsTwenty-one minutes past one
Part of the dayAfternoon

Questions about a 1:21 PM alarm

How do I set an alarm for 1:21 PM?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 1:21 PM, which is 12 hours, 6 minutes from now.

What time should I go to bed to wake up at 1:21 PM?

For five full sleep cycles, go to bed around 5:36 AM; for six cycles, around 4:06 AM.