0400 Military Time
0400 = 4:00 AM. Say it: “zero four hundred hours.”
4:00 AM
zero four hundred hours
How 0400 converts to 4:00 AM
The hour 04 is in 01–11, so it's AM: keep the hour (4), drop the leading zero; minutes (0) don't change. Result: 4:00 AM.
Pre-dawn: fishing boats leave harbors, newsrooms finish editions, first bakers pull product. If you log shifts in this format, the time card calculator accepts 24-hour times directly.
0400 at a glance
| 24-hour (military) | 0400 |
|---|---|
| 12-hour (regular) | 4:00 AM |
| Spoken | “zero four hundred hours” |
| Part of day | Morning (AM) |
| On a timesheet | 04:00 |
A shift that starts at 0400
An 8-hour shift starting at 0400 ends at 1200 (clock out 12:00 PM). A 12-hour shift — the nursing standard — runs to 1600. Working from 0400 to 1700 is 13 hours; subtract an unpaid 30-minute lunch and the payable total is 12.5.
0400 — questions people ask
What is 0400 military time in 12-hour format?
0400 military time = 4:00 AM. The hour 04 is in 01–11, so it's AM: keep the hour (4), drop the leading zero; minutes (0) don't change. Result: 4:00 AM.
How do you say 0400?
Say the hour, then the minutes: “zero four hundred hours.” In casual settings many people just say “4.”
Is 0400 AM or PM?
AM — hours 0100–1159 are morning hours, so 0400 = 4:00 AM.