12-hour clock to 24-hour clock
Type a value in 12-hour to get it in 24-hour instantly.
15:0024-hour
In military time that is 1500; on a 12-hour clock, 3:00 PM.
Convert the other way: 24-hour to 12-hour
What it means
When in the day is that?
Midnight is 0000 (00:00), the start of the day. Some armies also write the end of the day as 2400.
The math
How to convert 12-hour to 24-hour
Before noon, the hours stay the same; from 1300 on, subtract 12 and add PM. Midnight is 0000 and noon is 1200.
Example: 3:00 PM 12-hour = 15:00 24-hour.
Every unit
That time on every clock
Tables
12-hour to 24-hour conversion table
| 12-hour | 24-hour |
|---|---|
| 12:00 AM 12-hour | 00:00 24-hour |
| 1:00 AM 12-hour | 01:00 24-hour |
| 6:00 AM 12-hour | 06:00 24-hour |
| 7:30 AM 12-hour | 07:30 24-hour |
| 9:00 AM 12-hour | 09:00 24-hour |
| 12:00 PM 12-hour | 12:00 24-hour |
| 12:30 PM 12-hour | 12:30 24-hour |
| 1:00 PM 12-hour | 13:00 24-hour |
| 2:00 PM 12-hour | 14:00 24-hour |
| 3:00 PM 12-hour | 15:00 24-hour |
| 4:00 PM 12-hour | 16:00 24-hour |
| 5:00 PM 12-hour | 17:00 24-hour |
| 6:00 PM 12-hour | 18:00 24-hour |
| 7:00 PM 12-hour | 19:00 24-hour |
| 8:00 PM 12-hour | 20:00 24-hour |
| 9:00 PM 12-hour | 21:00 24-hour |
| 10:00 PM 12-hour | 22:00 24-hour |
| 11:00 PM 12-hour | 23:00 24-hour |
| 11:30 PM 12-hour | 23:30 24-hour |
24-hour to 12-hour conversion table
| 24-hour | 12-hour |
|---|---|
| 00:00 24-hour | 12:00 AM 12-hour |
| 01:00 24-hour | 1:00 AM 12-hour |
| 06:00 24-hour | 6:00 AM 12-hour |
| 07:30 24-hour | 7:30 AM 12-hour |
| 09:00 24-hour | 9:00 AM 12-hour |
| 12:00 24-hour | 12:00 PM 12-hour |
| 12:30 24-hour | 12:30 PM 12-hour |
| 13:00 24-hour | 1:00 PM 12-hour |
| 14:00 24-hour | 2:00 PM 12-hour |
| 15:00 24-hour | 3:00 PM 12-hour |
| 16:00 24-hour | 4:00 PM 12-hour |
| 17:00 24-hour | 5:00 PM 12-hour |
| 18:00 24-hour | 6:00 PM 12-hour |
| 19:00 24-hour | 7:00 PM 12-hour |
| 20:00 24-hour | 8:00 PM 12-hour |
| 21:00 24-hour | 9:00 PM 12-hour |
| 22:00 24-hour | 10:00 PM 12-hour |
| 23:00 24-hour | 11:00 PM 12-hour |
| 23:30 24-hour | 11:30 PM 12-hour |
Quick answers
Quick answers
- How many 24-hour is 1:00 AM 12-hour?
- 1:00 AM 12-hour is 01:00 24-hour.
- How many 24-hour is 10:00 AM 12-hour?
- 10:00 AM 12-hour is 10:00 24-hour.
- How many 24-hour is 3:00 PM 12-hour?
- 3:00 PM 12-hour is 15:00 24-hour.
The units
About these units
12-hour clock (12-hour)
The AM/PM clock used in the US, Canada, Australia and elsewhere.
24-hour clock (24-hour)
The everyday clock in most of the world: 14:30.
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