How long until 0:21?

👉 There are 23 hours, 9 minutes, 8 seconds remaining until 0:21
Countdown to 0:21
23Hours
:
9Minutes
:
8Seconds
Saturday, October 24, 2026

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Time left until 0:21

How many more hours until 0:21 tomorrow
23Hours
How many minutes until 0:21 tomorrow
1,389Minutes
How many seconds until 0:21 tomorrow
83,348Seconds

Time until 0:21 from each hour

If it is nowTime leftMinutes
00:0021 min21
01:0023 h 21 min1,401
02:0022 h 21 min1,341
03:0021 h 21 min1,281
04:0020 h 21 min1,221
05:0019 h 21 min1,161
06:0018 h 21 min1,101
07:0017 h 21 min1,041
08:0016 h 21 min981
09:0015 h 21 min921
10:0014 h 21 min861
11:0013 h 21 min801
12:0012 h 21 min741
13:0011 h 21 min681
14:0010 h 21 min621
15:009 h 21 min561
16:008 h 21 min501
17:007 h 21 min441
18:006 h 21 min381
19:005 h 21 min321
20:004 h 21 min261
21:003 h 21 min201
22:002 h 21 min141
23:001 h 21 min81

Counted from the top of each hour to the next 0:21.

Some facts about 0:21

12-hour clock12:21 AM
24-hour clock00:21
Military time0021 (“zero zero twenty-one hours”)
In wordsTwenty-one minutes past midnight
SpokenTwelve twenty-one a.m.
Part of the dayNight
Minutes since midnight21
Seconds since midnight1,260
Day progress1.46%
Left in the day23 h 39 min
Angle between clock hands115.5°

About 0:21

Midnight starts a new calendar day. Date-based deadlines, daily counters and many scheduled computer jobs reset during this hour, and most people are asleep.

It is 21 minutes past the hour and 39 minutes before 1 AM.

On a 12-hour display 1221 is a palindrome (reads the same backwards).

In 24-hour notation the hour after midnight is written 00, so 0:21 is 12:21 AM — just after midnight, not midday.

Questions about 0:21

How long until 0:21?

Right now it is 23 hours, 9 minutes, 8 seconds until 0:21 tomorrow. The countdown above updates every second using your device's clock.

Is 0:21 in the morning or the evening?

0:21 falls in the night. On a 12-hour clock it is written 12:21 AM.

What is 0:21 in military time?

0:21 is 0021 in military time, spoken “zero zero twenty-one hours”.