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23:31 time means 11:31 PM

23:31 is pronounced as: "twenty-three thirty-one" o’clock

2331 in military time is 11:31 PM in regular time


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24-hour to 12-hour conversion


Our "Military time converter" is the perfect tool to convert time from a 24-hour system to a 12-hour system. Try it above. Enter both the "Hours" and the "Minutes" boxs in the form, then click "convert to 12-hour". After that, you can see the result.

The 24-hour system (it's called the Military system) is larger than 12:00. And it starts at 00:00 and ends at 23:00. 00:00 means 12:00 midnight, and 23:00 means 11:00 PM. (Note: 24:00 and 00:00 are the same time).



How was 23:31 converted to 11:31 PM ?


1. Step One: To convert 23:31 (twenty-three thirty-one) to 12-hour, firstly, we didn't convert the minutes, we leave it. In our case it will be ( :31 thirty-one ). and we just convert the hours.


2. Step Two: If the number of hours on military time (24-hour system) that we need to convert it, is less than 12:00, it will be the same on regular time (12-hour system).

In our case, It's 23 (eleven), so we subtract 12 from 23 then add PM like ( 23 - 12 ). It will be 11 PM. (11 PM means 11 in the noon).

The final result is:11:31 PM ( In words: eleven thirty-one in the noon ). Look at the chart below.



Military Time (24-hour system)
24-Hour 12-hour 24-Hour 12-hour
00:31 Midnight 12:31 Noon
01:31 1:31 a.m. 13:31 1:31 p.m.
02:31 2:31 a.m. 14:31 2:31 p.m.
03:31 3:31 a.m. 15:31 3:31 p.m.
04:31 4:31 a.m. 16:31 4:31 p.m.
05:31 5:31 a.m. 17:31 5:31 p.m.
06:31 6:31 a.m. 18:31 6:31 p.m.
07:31 7:31 a.m. 19:31 7:31 p.m.
08:31 8:31 a.m. 20:31 8:31 p.m.
09:31 9:31 a.m. 21:31 9:31 p.m.
10:31 10:31 a.m. 22:31 10:31 p.m.
11:31 11:31 a.m. 23:31 11:31 p.m.


23:31 Clock in different Time Zone

See, The 23:31 time in the other military time zones. Look at the table below.


Time Zone UTC offset 12-hour 24-hour
Yankee UTC-12 11:31 AM 11:31
X-ray UTC-11 12:31 PM 12:31
Whiskey UTC-10 01:31 PM 13:31
Victor UTC-9 02:31 PM 14:31
Uniform UTC-8 03:31 PM 15:31
Tango UTC-7 04:31 PM 16:31
Sierra UTC-6 05:31 PM 17:31
Romeo UTC-5 06:31 PM 18:31
Quebec UTC-4 07:31 PM 19:31
Papa UTC-3 08:31 PM 20:31
Oscar UTC-2 09:31 PM 21:31
November UTC-1 10:31 PM 22:31
Zulu UTC±0 11:31 PM 23:31
Alpha UTC+1 12:31 AM 00:31
Bravo UTC+2 01:31 AM 01:31
Charlie UTC+3 02:31 AM 02:31
Delta UTC+4 03:31 AM 03:31
Echo UTC+5 04:31 AM 04:31
Foxtrot UTC+6 05:31 AM 05:31
Golf UTC+7 06:31 AM 06:31
Hotel UTC+8 07:31 AM 07:31
India UTC+9 08:31 AM 08:31
Kilo UTC+10 09:31 AM 09:31
Lima UTC+11 10:31 AM 10:31
Mike UTC+12 11:31 AM 11:31