How long until 21:31?

👉 There are 21 hours, 19 minutes, 32 seconds remaining until 21:31
Countdown to 21:31
21Hours
:
19Minutes
:
32Seconds
Saturday, October 24, 2026

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Time left until 21:31

How many more hours until 21:31 today
21Hours
How many minutes until 21:31 today
1,279Minutes
How many seconds until 21:31 today
76,772Seconds

Time until 21:31 from each hour

If it is nowTime leftMinutes
00:0021 h 31 min1,291
01:0020 h 31 min1,231
02:0019 h 31 min1,171
03:0018 h 31 min1,111
04:0017 h 31 min1,051
05:0016 h 31 min991
06:0015 h 31 min931
07:0014 h 31 min871
08:0013 h 31 min811
09:0012 h 31 min751
10:0011 h 31 min691
11:0010 h 31 min631
12:009 h 31 min571
13:008 h 31 min511
14:007 h 31 min451
15:006 h 31 min391
16:005 h 31 min331
17:004 h 31 min271
18:003 h 31 min211
19:002 h 31 min151
20:001 h 31 min91
21:0031 min31
22:0023 h 31 min1,411
23:0022 h 31 min1,351

Counted from the top of each hour to the next 21:31.

Some facts about 21:31

12-hour clock9:31 PM
24-hour clock21:31
Military time2131 (“twenty-one thirty-one hours”)
In wordsTwenty-nine minutes to ten
SpokenNine thirty-one p.m.
Part of the dayNight
Minutes since midnight1,291
Seconds since midnight77,460
Day progress89.65%
Left in the day2 h 29 min
Angle between clock hands99.5°

About 21:31

9 PM is mid-evening, when many households start winding down and young children go to bed.

It is 31 minutes past the hour and 29 minutes before 10 PM.

To read 21:31 on a 12-hour clock subtract 12 from the hour: 21 − 12 = 9, so it is 9:31 PM.

Questions about 21:31

How long until 21:31?

Right now it is 21 hours, 19 minutes, 32 seconds until 21:31 today. The countdown above updates every second using your device's clock.

Is 21:31 in the morning or the evening?

21:31 falls in the night. On a 12-hour clock it is written 9:31 PM.

What is 21:31 in military time?

21:31 is 2131 in military time, spoken “twenty-one thirty-one hours”.