Set an alarm for 20:59

⏰ The alarm will ring at 8:59 PM — in 18 h 49 min
Alarm at 8:59 PM
⏰ 8:59 PM
18Hours
:
49Minutes
:
12Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 8:59 PM

Go to bed atSleep cyclesSleep
11:44 AM69 h
1:14 PM57 h 30 min
2:44 PM46 h
4:14 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 8:59 PM alarm

Snooze length1st2nd3rd
5 minutes9:04 PM9:09 PM9:14 PM
9 minutes9:08 PM9:17 PM9:26 PM
10 minutes9:09 PM9:19 PM9:29 PM

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

About 8:59 PM

The 8 PM hour begins prime time on U.S. television (8–11 PM Eastern), when the most people watch TV.

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

About 8:59 PM

12-hour clock8:59 PM
24-hour clock20:59
Military time2059
In wordsOne minute to nine
Part of the dayEvening

Questions about a 20:59 alarm

How do I set an alarm for 20:59?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 8:59 PM, which is 18 hours, 49 minutes from now.

What time should I go to bed to wake up at 8:59 PM?

For five full sleep cycles, go to bed around 1:14 PM; for six cycles, around 11:44 AM.