Military time (24-hour time)
Military time is a 24-hour clock that runs 00:00–23:59 with no AM/PM.
After noon, add 12 to the hour: 1 PM is 13:00 and 5 PM is 17:00. To go back to 12-hour time, subtract 12 from any hour after 12:00.
Example: 15:30 = 3:30 PM.
How it works in the calculator
Open the Military Time Card Calculator to apply this in seconds — free, no sign-up.
Related terms
FAQ
Is it free? Yes — all calculation is free with no sign-up. Save, Excel/CSV and branded PDF are Pro features in the app.
Do I need to sign up or create an account? No. There’s no registration or login. An email is only used to restore a Pro purchase on another device.
Does it work offline? Yes — after it loads once, it works offline on your device.