Set an alarm for 20:47

⏰ The alarm will ring at 8:47 PM — in 18 h 38 min
Alarm at 8:47 PM
⏰ 8:47 PM
18Hours
:
38Minutes
:
49Seconds
Saturday, October 24, 2026

Set an alarm for another time

Best bedtimes to wake up at 8:47 PM

Go to bed atSleep cyclesSleep
11:32 AM69 h
1:02 PM57 h 30 min
2:32 PM46 h
4:02 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 8:47 PM alarm

Snooze length1st2nd3rd
5 minutes8:52 PM8:57 PM9:02 PM
9 minutes8:56 PM9:05 PM9:14 PM
10 minutes8:57 PM9:07 PM9:17 PM

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

About 8:47 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 8:47 PM

12-hour clock8:47 PM
24-hour clock20:47
Military time2047
In wordsThirteen minutes to nine
Part of the dayEvening

Questions about a 20:47 alarm

How do I set an alarm for 20:47?

Open this page, press “Start Alarm” and leave the tab open. The alarm rings at 8:47 PM, which is 18 hours, 38 minutes from now.

What time should I go to bed to wake up at 8:47 PM?

For five full sleep cycles, go to bed around 1:02 PM; for six cycles, around 11:32 AM.