Convert 21:42 to 12-hour AM/PM format

24-Hour Time to 12-Hour Time Converter

What is 21:42 in 12-Hour Time?

Answer

21:42 on 12-hour clock it is

9:42 PM

2142 hours · military

PM — after noon: 12:00–23:59 is PM, 00:00–11:59 is AM. Minutes stay the same.

24-hour on top, 12-hour below
AMbefore noon	0012	011	022	033	044	055	066	077	088	099	1010	1111
PMafter noon	1212	131	142	153	164	175	186	197	208	219	2210	2311

21 − 12 = 9, minutes stay :42 → 9:42 PM

Other ways to say 9:42 PM

Forty-two minutes past nine
Forty-two minutes past nine p.m.
Forty-two past nine
Forty-two past nine p.m.
Eighteen minutes to ten
Eighteen minutes to ten p.m.
Nine forty-two
Nine forty-two p.m.
Military: “twenty-one forty-two hours”

See Also

12-Hour Time to 24-Hour Time Converter - Convert given 12-Hour AM/PM Time to 24-Hour (Military) Format

Recalculate with different values ↑

24-Hour Military to 12-Hour Time Conversion Table

24-Hour Clock	12-Hour Clock
00:42	12:42 AM
01:42	1:42 AM
02:42	2:42 AM
03:42	3:42 AM
04:42	4:42 AM
05:42	5:42 AM
06:42	6:42 AM
07:42	7:42 AM
08:42	8:42 AM
09:42	9:42 AM
10:42	10:42 AM
11:42	11:42 AM
12:42	12:42 PM
13:42	1:42 PM
14:42	2:42 PM
15:42	3:42 PM
16:42	4:42 PM
17:42	5:42 PM
18:42	6:42 PM
19:42	7:42 PM
20:42	8:42 PM
21:42	9:42 PM
22:42	10:42 PM
23:42	11:42 PM

FAQ

What is 21:42 in 12-Hour Time?

21:42 on 12-hour clock it is 9:42 PM

Is 21:42 AM or PM?

21:42 is 9:42 PM. Since the hour 21 is greater than or equal to 12, it is PM (Post Meridiem).

What is 21:42 in military time?

21:42 in military time is 2142 hours, which is 9:42 PM in standard 12-hour format.

See Also