It starts at 12 noon and continues until midnight
16.30PM
On a 24 hour clock, 7 am is 07:00 and is from midnight to noon. 7 pm is 19:00 and is from noon to midnight.
Three forty five in the afternoon (am or pm is not "in words").
On a digital 12 hour clock system it is shown as 07:20On a digital 24 hour clock system it is shown as 19:20
From exactly 4 to exactly 7 is one fourth, .25 of a revolution.
On a 24 hour clock, it's pm. On a twelve hour clock, it could be either.
2 PM on the 24 hour clock is 14:00.
16.30PM
5+12 is 17:00 in 24 hour clock
2 pm
16:00 is 4pm on a 24 hour clock.
2000 hrs
Habit, and convention. We all have to speak the same language if we're going to communicate. Personally, I prefer the 24 hour clock; so 1 PM is 13:00, and 9 PM is 21:00. Of course, I did spend 21 years in the Navy, and we used the 24-hour clock exclusively. But for talking to civilians in the US, you have to use the 12 hour clock with AM and PM.
The answer is 12:10 PM
4 pm is 16.00
8.30 am 8 and 30 mins (am) + 6 = 14 and 30 mins on the 24 hour clock or 2 and 30 mins (pm) on the 12 hour clock.
12 hour clock's have am and pm. 24 hour clock's (military time) is 00:00 through 23:59. Midnight on a 12 hour clock is 12:00am, on a 24 hour clock is 00:00. So 23:59 would be 11:59pm.