0400 in military time is 4:00 AM
- Say it
- Zero four hundred hours
- On the radio
- Zero Four Zero Zero Zulu
ZE-RO FOW-ER ZE-RO ZE-RO ZOO-LOO - Time of day
- In the middle of the night
0400 from where you are
Checking your clock…
Working out your local time…
| Zone | Offset | Military | Regular |
|---|---|---|---|
| Zulu (UTC) | UTC+0 | 0400 | 4:00 AM |
| Eastern Daylight (Quebec) | UTC-4 | 0000 | 12:00 AM |
| Eastern Standard (Romeo) | UTC-5 | 2300 | 11:00 PM the previous day |
| Pacific Standard (Uniform) | UTC-8 | 2000 | 8:00 PM the previous day |
Where 0400 falls on a shift
Navy watches are fixed. Hospital shifts vary by facility; these are the common patterns.
| Mid watch | 0000–0400 |
| Morning watch | 0400–0800 |
| Forenoon watch | 0800–1200 |
| Afternoon watch | 1200–1600 |
| First dog watch | 1600–1800 |
| Last dog watch | 1800–2000 |
| First watch | 2000–2400 |
| Day shift, 12-hour | 0700–1900 |
| Night shift, 12-hour | 1900–0700 |
| Day shift, 8-hour | 0700–1500 |
| Evening shift, 8-hour | 1500–2300 |
| Night shift, 8-hour | 2300–0700 |
Every minute from 0400 to 0459
0400 questions
What is 0400 in regular time?
0400 in military time is 4:00 AM in regular 12-hour time. The hour 04 is under 12, so drop the leading zero and add AM: 4:00 AM.
How do you say 0400 in military time?
Say "zero four hundred hours." Over the radio, read it digit by digit: "Zero Four Zero Zero Zulu" when it is Zulu time.
What is 4:00 AM in military time?
4:00 AM is 0400 in military time, written with four digits and no colon.
Is 0400 AM or PM?
0400 is AM. Military times from 0000 to 1159 are before noon, so 0400 is 4:00 AM.
What is 0400 Zulu in US time?
0400Z (Zulu, UTC) is 11:00 PM the previous day Eastern Standard Time, 12:00 AM Eastern Daylight Time, and 8:00 PM the previous day Pacific Standard Time.
Need a different time? Use the converter or drill yourself for 60 seconds.