On a 24 hour clock, it's pm. On a twelve hour clock, it could be either.
9:00 pm on a 12-hour clock is equivalent to 21:00 on a 24-hour clock.
1238 hrs corresponds to 12:38 PM in a 12-hour clock format or 1:38 PM in a 24-hour clock format.
1230 PM in military time is 1230 hours in the 24-hour clock format.
1353 is 1:53 PM in a 12-hour clock format and 1:53 in a 24-hour clock format.
It's am because it's referring to 24 hr clock.
2 PM on the 24 hour clock is 14:00.
16.30PM
On a 24 hour clock, it's pm. On a twelve hour clock, it could be either.
9:00 pm on a 12-hour clock is equivalent to 21:00 on a 24-hour clock.
2 pm
16:00 is 4pm on a 24 hour clock.
2000 hrs
5+12 is 17:00 in 24 hour clock
You need to specify what 1531 is. Is it days? Or minutes or seconds. I'll take it here because it looks to be in format of 24 hr clock, this would be 3:31 pm.
4 pm is 16.00
Using the 24 hour clock system, then 1 pm is 13.00, and 2 pm is 14.00.