0031 in military time is 12:31 AM
- Say it
- Zero zero thirty-one hours
- On the radio
- Zero Zero Three One Zulu
ZE-RO ZE-RO TREE WUN ZOO-LOO - Time of day
- In the middle of the night
Looking for the closest quarter hour? See 0030 (12:30 AM).
0031 from where you are
Checking your clock…
Working out your local time…
| Zone | Offset | Military | Regular |
|---|---|---|---|
| Zulu (UTC) | UTC+0 | 0031 | 12:31 AM |
| Eastern Daylight (Quebec) | UTC-4 | 2031 | 8:31 PM the previous day |
| Eastern Standard (Romeo) | UTC-5 | 1931 | 7:31 PM the previous day |
| Pacific Standard (Uniform) | UTC-8 | 1631 | 4:31 PM the previous day |
Where 0031 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 0000 to 0059
0031 questions
What is 0031 in regular time?
0031 in military time is 12:31 AM in regular 12-hour time. Hour 00 is the 12 o'clock hour after midnight, so 0031 is 12:31 AM.
How do you say 0031 in military time?
Say "zero zero thirty-one hours." Over the radio, read it digit by digit: "Zero Zero Three One Zulu" when it is Zulu time.
What is 12:31 AM in military time?
12:31 AM is 0031 in military time, written with four digits and no colon.
Is 0031 AM or PM?
0031 is AM. Military times from 0000 to 1159 are before noon, so 0031 is 12:31 AM.
What is 0031 Zulu in US time?
0031Z (Zulu, UTC) is 7:31 PM the previous day Eastern Standard Time, 8:31 PM the previous day Eastern Daylight Time, and 4:31 PM the previous day Pacific Standard Time.
Need a different time? Use the converter or drill yourself for 60 seconds.