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Military Time Converter – Convert Standard ↔ 24‑Hour Time

Military Time Converter

The Military Time Converter converts between standard 12‑hour time (with AM/PM) and 24‑hour military time. Military time is used worldwide by the armed forces, aviation, hospitals, and public transportation because it eliminates the ambiguity of AM and PM. Enter a time like 2:30 PM and get 14:30, or enter 15:45 and get 3:45 PM. The calculator provides a step‑by‑step explanation and includes a complete conversion chart.

24‑Hour Clock000204060810121416182022Hours go from 00 to 23

Military Time Conversion Chart

StandardMilitary
12:00 AM00:00
1:00 AM01:00
2:00 AM02:00
3:00 AM03:00
4:00 AM04:00
5:00 AM05:00
6:00 AM06:00
7:00 AM07:00
8:00 AM08:00
9:00 AM09:00
10:00 AM10:00
11:00 AM11:00
12:00 PM12:00
1:00 PM13:00
2:00 PM14:00
3:00 PM15:00
4:00 PM16:00
5:00 PM17:00
6:00 PM18:00
7:00 PM19:00
8:00 PM20:00
9:00 PM21:00
10:00 PM22:00
11:00 PM23:00
How to Read Military Time Aloud

Military time is spoken as a four‑digit number. For example, 14:30 is “fourteen thirty hours”. 00:00 is “zero hundred hours”. 08:05 is “zero eight oh five hours”. The word “hours” is often added. Minutes are spoken as a two‑digit number.

Why Use Military Time?

24-Hour Military Time to Standard 12-Hour Civilian Time Reference Table

Standard Civilian TimeMilitary / 24-Hour FormatSpoken Phonetic ReadingPrimary Professional Application
12:00 AM (Midnight)00:00 / 0000Zero Hundred HoursLogistics start of day
1:00 AM01:00 / 0100Zero One Hundred HoursOvernight medical shift
6:00 AM06:00 / 0600Zero Six Hundred HoursAviation morning departure
12:00 PM (Noon)12:00 / 1200Twelve Hundred HoursMidday operational check
1:00 PM13:00 / 1300Thirteen Hundred HoursAfternoon shift transition
5:00 PM17:00 / 1700Seventeen Hundred HoursEmergency dispatch handover
8:00 PM20:00 / 2000Twenty Hundred HoursEvening medication round
11:00 PM23:00 / 2300Twenty-Three Hundred HoursFinal flight landing

Common Mistakes When Converting Military Time

  • Forgetting the leading zero: 1:00 AM is 0100, not 100.
  • Using 24:00: Midnight is 00:00, not 24:00 (though some use 24:00 for end of day).
  • Misconverting 12:00 PM: 12:00 PM is 12:00, not 00:00.
  • Adding 12 to 12:00 AM: 12:00 AM becomes 00:00 (subtract 12).

Real‑World Examples

  • Flight schedules: Departure at 15:45 means 3:45 PM.
  • Hospital shift change: 07:00 → 7:00 AM, 19:00 → 7:00 PM.
  • Train timetables: 00:15 → 12:15 AM (just after midnight).

Use this military time converter for travel planning, shift scheduling, or learning the 24‑hour clock. The step‑by‑step explanation and the included chart make it easy for anyone to master the conversion.

Quick Manual Conversion Example

Convert 8:15 PM to military time:

8:15 PM → hour 8 is PM → add 12 → 20:15 military.

Convert 03:45 military to standard:

03:45 → hour 3 is AM → 3:45 AM.

Frequently Asked Questions about Military Time

What is military time (24-hour time)?
Military time is a 24-hour timekeeping system where the day runs from midnight (00:00) to midnight (24:00/00:00). Hours are numbered from 00 to 23, eliminating the need for AM or PM designations.
How do I convert 12-hour AM/PM time to 24-hour military time?
For AM: 12:00 AM (midnight) becomes 00:00. From 1:00 AM to 11:59 AM, keep the hour number (e.g. 8:15 AM = 08:15). For PM: 12:00 PM (noon) stays 12:00. From 1:00 PM to 11:59 PM, add 12 to the hour (e.g. 2:30 PM + 12 = 14:30).
How do I convert 24-hour military time to standard 12-hour time?
For 00:00 to 00:59, change to 12:XX AM. For 01:00 to 11:59, append AM. For 12:00 to 12:59, append PM. For 13:00 to 23:59, subtract 12 from the hour and append PM (e.g. 17:45 - 12 = 5:45 PM).
Why do emergency services, aviation, and hospitals use military time?
Military time eliminates critical errors caused by confusing AM and PM. In healthcare medication dosing, flight navigation, and military operations, 08:00 vs 20:00 leaves zero room for misinterpretation.
How do you pronounce military time out loud?
0800 is spoken as 'Zero Eight Hundred Hours'. 1430 is spoken as 'Fourteen Thirty Hours'. 0000 is spoken as 'Zero Hundred Hours'.
Is 24:00 or 00:00 used for midnight in military time?
Midnight at the start of a day is written as 00:00. Midnight at the exact end of a day is occasionally written as 24:00 in logistics schedules.
Does military time use a colon between hours and minutes?
In formal US military operations, colons are omitted (e.g. 1430). In digital international standards (ISO 8601) and general 24-hour clocks, a colon is included (e.g. 14:30). Our calculator supports standard time inputs and formats.
What is NATO Time Zone lettering (Z, R, L)?
In global military operations, time zones are assigned NATO phonetic letters. UTC/GMT is 'Zulu' (Z). Local time zones use letters Alpha (A) through Mike (M) east of UTC, and November (N) through Yankee (Y) west.