Military Time Converter

Type a time either way — 24-hour (1730, 09:00) or standard (5:30 pm) — and get the other one. The full conversion chart is below.

5:30 PM
Military: 1730 hours

Conversion chart

MilitaryStandardMilitaryStandard
000012:00 AM120012:00 PM
01001:00 AM13001:00 PM
02002:00 AM14002:00 PM
03003:00 AM15003:00 PM
04004:00 AM16004:00 PM
05005:00 AM17005:00 PM
06006:00 AM18006:00 PM
07007:00 AM19007:00 PM
08008:00 AM20008:00 PM
09009:00 AM21009:00 PM
100010:00 AM220010:00 PM
110011:00 AM230011:00 PM

How this is calculated

Midnight through noon match the clock you know: 0000 is 12:00 AM, 0900 is 9:00 AM, 1200 is noon. Past noon, subtract 12 from the first two digits: 1730 − 12 = 5:30 PM. Minutes never change.

Common questions

Is midnight 0000 or 2400?

Both are used. 0000 is the standard start of a new day; 2400 sometimes marks the end of the previous one (a shift ending at midnight). Timekeeping systems almost always use 0000.

Why does my time card use 24-hour time?

Payroll systems prefer it because there's no AM/PM ambiguity — a 9 PM clock-out typed as 9:00 costs someone twelve hours of confusion. If you're totaling a week of shifts, the time card calculator takes either format.

How do I say military times out loud?

Read the whole number: 0900 is 'zero nine hundred,' 1730 is 'seventeen thirty.' Minutes just follow the hours.

Part of PunchMath — free work-hours and pay calculators. Totaling shifts? The time card calculator takes 24-hour times directly.