AM · night (early morning)
0040 Military Time = 12:40 AM
Answer
0040 = 12:40 AM
“zero zero forty hours”
Hour 00 is the midnight hour, so 0040 = 12:40 AM.
- Military time
- 0040
- 24-hour clock
- 00:40
- 12-hour time
- 12:40 AM
- Said aloud
- zero zero forty hours
- Minutes since midnight
- 40
- Time until midnight
- 23 h 20 min
Enter 3–4 digits, e.g. 0800, 1430, 2359
Valid timeEnter the time and choose AM or PM
Converted result
Spoken: zero zero forty hours
Looking for the PM time?
12:40 PM is 1240 in military time
How to Convert 0040 to Standard Time
0040 converts to 12:40 AM in 3 steps:
- 0040 falls between 0000 and 0059, the midnight hour, so change 00 to 12.
- Insert a colon before the last two digits: 12:40.
- Add AM, because the hour after midnight is AM: 12:40 AM.
To go the other way, 12:40 AM becomes 0040: replace 12 AM with 00, then remove the colon.
0040 Across U.S. Time Zones
When it is 0040 Eastern time, it is 2340 Central, 2240 Mountain and 2140 Pacific. Zulu (UTC) depends on daylight saving time.
| Time zone | Military time | Standard time |
|---|---|---|
| Eastern (ET) | 0040 | 12:40 AM |
| Central (CT) | 2340 | 11:40 PM (previous day) |
| Mountain (MT) | 2240 | 10:40 PM (previous day) |
| Pacific (PT) | 2140 | 9:40 PM (previous day) |
| Alaska (AKT) | 2040 | 8:40 PM (previous day) |
| Zulu / UTC (winter, EST) | 0540Z | 5:40 AM |
| Zulu / UTC (summer, EDT) | 0440Z | 4:40 AM |
Convert other zones with the military time zone converter.
How to Say 0040
0040 is said “zero zero forty hours” in formal military use. Casual speech drops “hours”: “zero zero forty.” Written in 24-hour clock style, 0040 is 00:40.
Nearby military times
0040 military time: FAQ
What time is 0040 in military time?
0040 is 12:40 AM in standard 12-hour time. Hour 00 is the midnight hour, so 0040 = 12:40 AM.
What is 12:40 AM in military time?
12:40 AM is 0040 in military time, written 00:40 on a 24-hour clock.
How do you say 0040 in military time?
0040 is said “zero zero forty hours”.
Is 0040 AM or PM?
0040 is AM: 12:40 AM. The same minutes in the other half of the day, 12:40 PM, are 1240.
See every time in the military time chart, or convert any other time with themilitary time converter.