AM · night (early morning)
0021 Military Time = 12:21 AM
Answer
0021 = 12:21 AM
“zero zero twenty-one hours”
Hour 00 is the midnight hour, so 0021 = 12:21 AM.
- Military time
- 0021
- 24-hour clock
- 00:21
- 12-hour time
- 12:21 AM
- Said aloud
- zero zero twenty-one hours
- Minutes since midnight
- 21
- Time until midnight
- 23 h 39 min
Enter 3–4 digits, e.g. 0800, 1430, 2359
Valid timeEnter the time and choose AM or PM
Converted result
Spoken: zero zero twenty-one hours
Looking for the PM time?
12:21 PM is 1221 in military time
How to Convert 0021 to Standard Time
0021 converts to 12:21 AM in 3 steps:
- 0021 falls between 0000 and 0059, the midnight hour, so change 00 to 12.
- Insert a colon before the last two digits: 12:21.
- Add AM, because the hour after midnight is AM: 12:21 AM.
To go the other way, 12:21 AM becomes 0021: replace 12 AM with 00, then remove the colon.
0021 Across U.S. Time Zones
When it is 0021 Eastern time, it is 2321 Central, 2221 Mountain and 2121 Pacific. Zulu (UTC) depends on daylight saving time.
| Time zone | Military time | Standard time |
|---|---|---|
| Eastern (ET) | 0021 | 12:21 AM |
| Central (CT) | 2321 | 11:21 PM (previous day) |
| Mountain (MT) | 2221 | 10:21 PM (previous day) |
| Pacific (PT) | 2121 | 9:21 PM (previous day) |
| Alaska (AKT) | 2021 | 8:21 PM (previous day) |
| Zulu / UTC (winter, EST) | 0521Z | 5:21 AM |
| Zulu / UTC (summer, EDT) | 0421Z | 4:21 AM |
Convert other zones with the military time zone converter.
How to Say 0021
0021 is said “zero zero twenty-one hours” in formal military use. Casual speech drops “hours”: “zero zero twenty-one.” Written in 24-hour clock style, 0021 is 00:21.
Nearby military times
0021 military time: FAQ
What time is 0021 in military time?
0021 is 12:21 AM in standard 12-hour time. Hour 00 is the midnight hour, so 0021 = 12:21 AM.
What is 12:21 AM in military time?
12:21 AM is 0021 in military time, written 00:21 on a 24-hour clock.
How do you say 0021 in military time?
0021 is said “zero zero twenty-one hours”.
Is 0021 AM or PM?
0021 is AM: 12:21 AM. The same minutes in the other half of the day, 12:21 PM, are 1221.
See every time in the military time chart, or convert any other time with themilitary time converter.