06:40 is 6:40 AM on a 12-hour clock and "06:40 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 06:40 through a time chart, automated calculator, and ways to convert by hand.
| 24-hour format | 12-hour format |
|---|---|
| 06:40 | 6:40 AM |
A quick cheatsheet for all time conversions like 6:40 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 06:40 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 |
|---|---|---|
| 06:40 | 6:40 | 0640 |
| 06:45 | 6:45 | 0645 |
| 06:50 | 6:50 | 0650 |
| 06:55 | 6:55 | 0655 |
| 07:00 | 7:00 | 0700 |
| 07:05 | 7:05 | 0705 |
| 07:10 | 7:10 | 0710 |
| 07:15 | 7:15 | 0715 |
| 07:20 | 7:20 | 0720 |
| 07:25 | 7:25 | 0725 |
| 07:30 | 7:30 | 0730 |
| 07:35 | 7:35 | 0735 |
| 07:40 | 7:40 | 0740 |
| 07:45 | 7:45 | 0745 |
| 07:50 | 7:50 | 0750 |
| 07:55 | 7:55 | 0755 |