0100 in military time is 1:00 AM.
0100 is 1 hour after midnight and 11 hours before noon.
0100 in regular time
1:00 AM
Said out loud: zero one hundred hours.
- Military time
- 0100
- 24-hour clock
- 01:00
- Minutes after midnight
- 60
- Minutes until midnight
- 1,380
0100 is 1:00 AM because the hours before noon keep their number.
- Read the first two digits of 0100 as the hour: 01.
- Keep 1 as it is, because the hour is before noon.
- Put the minutes, 00, after the hour and add AM: 1:00 AM.
The same time on a clock and on the day
On this page
0100 = 1:00 AM
01 stays 1.
Midnight to noon
- 00
- 01
- 02
- 03
- 04
- 05
- 06
- 07
- 08
- 09
- 10
- 11
Noon to midnight
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
1 AM in military time is 0100.
- Read the hour of 1 AM: 1.
- Keep 1 as it is, because the time is before noon.
- Write the hour with two digits and the minutes, 00, after it with no colon: 0100.
Say 0100 out loud as "zero one hundred hours".
The leading zero is spoken, then the hour, then "hundred" because the minutes are 00.
When it is 0100 in one US time zone, the other three clocks read like this.
| ZoneWhen it is 0100 in | ET | CT | MT | PT |
|---|---|---|---|---|
| ETEastern Time | 1:00 AM | 12:00 AM | 11:00 PMday before | 10:00 PMday before |
| CTCentral Time | 2:00 AM | 1:00 AM | 12:00 AM | 11:00 PMday before |
| MTMountain Time | 3:00 AM | 2:00 AM | 1:00 AM | 12:00 AM |
| PTPacific Time | 4:00 AM | 3:00 AM | 2:00 AM | 1:00 AM |
ET is Eastern Time, CT is Central Time, MT is Mountain Time, PT is Pacific Time.
The times around 0100 each have a page of their own.
| Military time | Regular time | Said out loud |
|---|---|---|
| 2300 | 11:00 PM | twenty-three hundred hours |
| 0000 | 12:00 AM | zero hundred hours |
| 0100 | 1:00 AM | zero one hundred hours |
| 0200 | 2:00 AM | zero two hundred hours |
| 0300 | 3:00 AM | zero three hundred hours |
The military time chart lists all 24 hours on one page, and the military time converter turns any other time into military time as you type. Take a lunch break off a shift in the hours calculator, or compare more zones in the time zone converter.
Here are five questions about 0100, answered.
- What is 0100 in regular time?
- 0100 is 1:00 AM. Before noon the hour keeps its number and takes AM, and the minutes stay 00.
- What is 1 AM in military time?
- 1 AM is 0100. In the morning the hour keeps its number, written with two digits and followed by the minutes, 00.
- How do you say 0100 in military time?
- Say "zero one hundred hours". The leading zero is spoken, then the hour, then "hundred" because the minutes are 00.
- Is 0100 AM or PM?
- AM. Every military time from 0000 to 1159 is before noon, and 0100 is 11 hours before noon.
- What is 0100 Eastern Time in Pacific Time?
- 0100 Eastern Time is 10:00 PM (day before) Pacific Time, three hours earlier on the clock. The table above has all four zones.
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