Convert AM/PM time to military time and back.
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Military time uses the 24-hour clock written as four digits without a colon. Midnight is 0000, 1 AM is 0100, noon is 1200 and 11:59 PM is 2359.
For PM times add 12 to the hour (3:45 PM → 1545); to convert back, subtract 12 from hours above 12.
| Time | 2:30 pm |
| Military time | 1430 hours |
| 12-hour time | 2:30 PM |
| 24-hour clock | 14:30 |
| Say it | 1430 hours |
1430 hours.
| Time | 1845 |
| Military time | 1845 hours |
| 12-hour time | 6:45 PM |
| 24-hour clock | 18:45 |
| Say it | 1845 hours |
6:45 PM.
1500.
Midnight (12:00 AM).
"Fourteen thirty" or "fourteen thirty hours".
Sometimes used for the end of a day, but 0000 is standard for midnight.