0131 in military time is 1:31 AM
- Say it
- Zero one thirty-one hours
- On the radio
- Zero One Three One Zulu
ZE-RO WUN TREE WUN ZOO-LOO - Time of day
- In the middle of the night
Looking for the closest quarter hour? See 0130 (1:30 AM).
0131 from where you are
Checking your clock…
Working out your local time…
| Zone | Offset | Military | Regular |
|---|---|---|---|
| Zulu (UTC) | UTC+0 | 0131 | 1:31 AM |
| Eastern Daylight (Quebec) | UTC-4 | 2131 | 9:31 PM the previous day |
| Eastern Standard (Romeo) | UTC-5 | 2031 | 8:31 PM the previous day |
| Pacific Standard (Uniform) | UTC-8 | 1731 | 5:31 PM the previous day |
Where 0131 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 0100 to 0159
0131 questions
What is 0131 in regular time?
0131 in military time is 1:31 AM in regular 12-hour time. The hour 01 is under 12, so drop the leading zero and add AM: 1:31 AM.
How do you say 0131 in military time?
Say "zero one thirty-one hours." Over the radio, read it digit by digit: "Zero One Three One Zulu" when it is Zulu time.
What is 1:31 AM in military time?
1:31 AM is 0131 in military time, written with four digits and no colon.
Is 0131 AM or PM?
0131 is AM. Military times from 0000 to 1159 are before noon, so 0131 is 1:31 AM.
What is 0131 Zulu in US time?
0131Z (Zulu, UTC) is 8:31 PM the previous day Eastern Standard Time, 9:31 PM the previous day Eastern Daylight Time, and 5:31 PM the previous day Pacific Standard Time.
Need a different time? Use the converter or drill yourself for 60 seconds.