The 24-hour clock runs from 0000 (midnight) to 2359. It's used on rosters, in hospitals, airlines and the military, and as everyday time in most countries, including India and Australia for timetables.
How to convert
- AM: keep the hour, but 12 AM becomes 00. 7:45 AM is 0745; 12:30 AM is 0030.
- PM: add 12 to the hour, except 12 PM stays 12. 6:30 PM is 1830; 12:15 PM is 1215.
- Back to 12-hour: subtract 12 from hours 13 to 23 and add PM. 2115 is 9:15 PM.
Military time is said in two-digit pairs: 0600 is 'zero six hundred', 1830 is 'eighteen thirty'. For hours between two times, use the time duration calculator.
How to use this calculator
- Choose which way to convert.
- Enter the time.
- Use the chart for quick lookups.
FAQs
What time is 1700 in military time?
5:00 PM. Subtract 12 from any hour above 12.
Is midnight 0000 or 2400?
Usually 0000, the start of the new day. 2400 is sometimes used for the end of a day, as in a shift ending at midnight.
How is military time different from 24-hour time?
It's the same clock. Military time is written without a colon (1830) and spoken as 'eighteen thirty hours'.
Results are estimates and aren't financial advice. For decisions about your own money, check with a qualified adviser. Spotted a mistake? Tell us.