Convert 12-hour clock times to 24-hour military time and back, with the spoken form and the two rules everyone forgets.
How military time works
Military (24-hour) time runs from 00:00 to 23:59 with no AM or PM. The conversion has exactly two rules people trip on: PM times add 12 to the hour — except 12 PM, which stays 12 — and 12 AM becomes 00. This converter works both directions and shows the spoken form, because “fourteen thirty hours” is half the reason people look this up.
How to use it
- Pick the direction: 12-hour → 24-hour, or back.
- Enter the time.
- Read the converted time and how it’s said aloud.
The rules
A worked example
The converter opens with 2:30 PM. Add 12 to the hour and it becomes 14:30 — spoken “fourteen thirty hours”. Going the other way, 14:30 minus 12 gives 2:30 PM. The midnight cases are the ones worth memorising: 00:15 is 12:15 AM, and 12:15 is 12:15 PM. Change anything and the result updates instantly.