How long until 15:21?

👉 There are 13 hours, 24 minutes, 53 seconds remaining until 15:21
Countdown to 15:21
13Hours
:
24Minutes
:
53Seconds
Saturday, October 24, 2026

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Time left until 15:21

How many more hours until 15:21 today
13Hours
How many minutes until 15:21 today
804Minutes
How many seconds until 15:21 today
48,293Seconds

Time until 15:21 from each hour

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

Counted from the top of each hour to the next 15:21.

Some facts about 15:21

12-hour clock3:21 PM
24-hour clock15:21
Military time1521 (“fifteen twenty-one hours”)
In wordsTwenty-one minutes past three
SpokenThree twenty-one p.m.
Part of the dayAfternoon
Minutes since midnight921
Seconds since midnight55,260
Day progress63.96%
Left in the day8 h 39 min
Angle between clock hands25.5°

About 15:21

In the 3 PM hour many schools finish for the day and afternoon traffic starts to grow.

It is 21 minutes past the hour and 39 minutes before 4 PM.

On a 12-hour display 321 is a descending sequence.

To read 15:21 on a 12-hour clock subtract 12 from the hour: 15 − 12 = 3, so it is 3:21 PM.

Questions about 15:21

How long until 15:21?

Right now it is 13 hours, 24 minutes, 53 seconds until 15:21 today. The countdown above updates every second using your device's clock.

Is 15:21 in the morning or the evening?

15:21 falls in the afternoon. On a 12-hour clock it is written 3:21 PM.

What is 15:21 in military time?

15:21 is 1521 in military time, spoken “fifteen twenty-one hours”.