Military Time Converter
Choose the direction and enter the time.
This result is an estimate only. Double-check important figures before relying on them.
How it is calculated
- PM hours 1–11: hour + 12
- 12 AM → 00, 12 PM → 12
- 24 → 12: hour above 12 minus 12, with 0 shown as 12 AM
For decimal hours, use the time to decimal calculator.
Worked example
3:30 PM:
- 15:30, said as fifteen thirty hours (1530)
Why your number may differ
Some militaries say ‘zero hundred’ for midnight, and others use 2400. The usual civil form is 00:00.
Frequently asked questions
How do I convert PM to 24-hour time?
Add 12 to the hour for any PM time except 12 PM, which stays 12. For example, 3 PM is 15:00.
What is 12 AM in 24-hour time?
00:00, the start of the day. 12 PM is 12:00, midday.
How is military time said aloud?
As four digits followed by hours, so 15:30 is fifteen thirty hours.