01:00 is 1:00 AM on a 12-hour clock and "01:00 Hours" in Military Time. We use this system throughout the world (not just the military) and leverages a 24-hour time clock rather than the 12-hour AM/PM system known to most English-speaking countries. Below are ways to convert 01:00 through a time chart, automated calculator, and ways to convert by hand.
| 24-hour format | 12-hour format |
|---|---|
| 01:00 | 1:00 AM |
A quick cheatsheet for all time conversions like 1:00 AM. Click the clock. Select your time. We'll highlight the row for the time you choose.
It is easy to convert from 24-hour time to 12-hour time once you know a few tricks. The primary difference between the two is that the hours in a 24-hour clock go all the way up to 23 (from 0 to 23). In a 12-hour clock, the hour resets to 1 after noon (midday). Follow the steps below to convert 01:00 to 12-hour time.
24-hour time is used in aviation, military, meteorology, logistics, and other fields. The 12-hour clock is only used in 18 countries globally, including the United States and Canada. 24-hour time and military time are very similar! See our military time converter for more information.
| 24 Hour Clock | 12 Hour Clock (AM/PM) | Military Time |
|---|---|---|
| 01:00 | 1:00 | 0100 |
| 01:05 | 1:05 | 0105 |
| 01:10 | 1:10 | 0110 |
| 01:15 | 1:15 | 0115 |
| 01:20 | 1:20 | 0120 |
| 01:25 | 1:25 | 0125 |
| 01:30 | 1:30 | 0130 |
| 01:35 | 1:35 | 0135 |
| 01:40 | 1:40 | 0140 |
| 01:45 | 1:45 | 0145 |
| 01:50 | 1:50 | 0150 |
| 01:55 | 1:55 | 0155 |
| 02:00 | 2:00 | 0200 |
| 02:05 | 2:05 | 0205 |
| 02:10 | 2:10 | 0210 |
| 02:15 | 2:15 | 0215 |