AM · night (early morning)
0100 Military Time = 1:00 AM
Answer
0100 = 1:00 AM
“zero one hundred hours”
Hours 01–11 are morning hours: drop the leading zero and add AM, so 0100 = 1:00 AM.
- Military time
- 0100
- 24-hour clock
- 01:00
- 12-hour time
- 1:00 AM
- Said aloud
- zero one hundred hours
- Minutes since midnight
- 60
- Time until midnight
- 23 h 0 min
Enter 3–4 digits, e.g. 0800, 1430, 2359
Valid timeEnter the time and choose AM or PM
Converted result
Spoken: zero one hundred hours
Looking for the PM time?
1:00 PM is 1300 in military time
How to Convert 0100 to Standard Time
0100 converts to 1:00 AM in 3 steps:
- 0100 falls between 0100 and 1159, so drop the leading zero: 100.
- Insert a colon before the last two digits: 1:00.
- Add AM, because hours 01 to 11 are morning: 1:00 AM.
To go the other way, 1:00 AM becomes 0100: add a leading zero to 1, then remove the colon.
0100 Across U.S. Time Zones
When it is 0100 Eastern time, it is 0000 Central, 2300 Mountain and 2200 Pacific. Zulu (UTC) depends on daylight saving time.
| Time zone | Military time | Standard time |
|---|---|---|
| Eastern (ET) | 0100 | 1:00 AM |
| Central (CT) | 0000 | 12:00 AM |
| Mountain (MT) | 2300 | 11:00 PM (previous day) |
| Pacific (PT) | 2200 | 10:00 PM (previous day) |
| Alaska (AKT) | 2100 | 9:00 PM (previous day) |
| Zulu / UTC (winter, EST) | 0600Z | 6:00 AM |
| Zulu / UTC (summer, EDT) | 0500Z | 5:00 AM |
Convert other zones with the military time zone converter.
How to Say 0100
0100 is said “zero one hundred hours” in formal military use. Casual speech drops “hours” and often replaces “zero” with “oh”: “oh one hundred.” Written in 24-hour clock style, 0100 is 01:00.
Nearby military times
0100 military time: FAQ
What time is 0100 in military time?
0100 is 1:00 AM in standard 12-hour time. Hours 01–11 are morning hours: drop the leading zero and add AM, so 0100 = 1:00 AM.
What is 1:00 AM in military time?
1:00 AM is 0100 in military time, written 01:00 on a 24-hour clock.
How do you say 0100 in military time?
0100 is said “zero one hundred hours”.
Is 0100 AM or PM?
0100 is AM: 1:00 AM. The same minutes in the other half of the day, 1:00 PM, are 1300.
See every time in the military time chart, or convert any other time with themilitary time converter.