Military Time Converter & Chart
Instant 12-Hour AM/PM to 24-Hour Army Time Conversion with Shift Calculator
Shift Duration & Difference Calculator
Calculate elapsed military shift hours & decimal payroll time.Global Military Timezone Sync
Convert 24-hour military time between worldwide zones.Bulk Schedule Converter
Paste duty rosters. Converts AM/PM to Military automatically.Military Time Quiz & Training
Practice for nursing, aviation, and military exams.Military Time Math Calculator
Add or subtract hours and minutes (HHMM) from any military hour.Military Time Quick Conversion Chart (24-Hour Reference)
Click any hour to load into converter aboveComplete Guide to Military Time, Army Time & 24-Hour Clocks
Military time (also referred to across US defense branches as Army Time) is a concise 24-hour timekeeping system designed to eliminate AM and PM ambiguity. Unlike civilian clocks that reset after 12 hours, military time runs continuously from 0000 (midnight) through 2359.
12 Noon vs. 12 Midnight in Military Time
The most searched questions in military time revolve around the 12th hour:
- What is 12 PM in Military Time? 12:00 PM (Noon) is written as 1200 and pronounced "Twelve Hundred Hours".
- What is 12 AM in Military Time? 12:00 AM (Midnight) marks the beginning of a day and is written as 0000 ("Zero Hundred Hours").
- What is 2400 Hours? While
0000represents the start of a day,2400is frequently used in duty rosters to denote the exact completion or cutoff of an operational day.
Common Military Time Conversions:
- 1400 Military Time: 2:00 PM (14 - 12 = 2 PM)
- 1500 Military Time: 3:00 PM (15 - 12 = 3 PM)
- 1600 Military Time: 4:00 PM (16 - 12 = 4 PM)
- 1700 Military Time: 5:00 PM (17 - 12 = 5 PM)
- 1800 Military Time: 6:00 PM (18 - 12 = 6 PM)
- 1900 Military Time: 7:00 PM (19 - 12 = 7 PM)
- 2100 Military Time: 9:00 PM (21 - 12 = 9 PM)
Who Uses 24-Hour Army Time?
- Healthcare & Nursing: Doctors and nurses record medical charts in 24-hour time to prevent critical medication administration errors (e.g., distinguishing 0800 from 2000).
- Aviation & Marine: Pilots and dispatchers synchronize worldwide flights using Zulu Time (UTC / GMT) with zero local timezone offsets.
- Emergency First Responders (Police & Firefighters): Dispatch logs rely on exact sequential four-digit timestamps to coordinate operations without confusion.
Frequently Asked Questions
What is 12 PM (Noon) in military time?
12:00 PM (Noon) in military time is exactly 1200 hours (pronounced 'Twelve Hundred Hours').
What is 12 AM (Midnight) in military time?
12:00 AM (Midnight) in military time is 0000 hours (pronounced 'Zero Hundred Hours'). In operational shift logs, 2400 hours can also be used to denote the exact end of a day.
Is Army Time the same as Military Time?
Yes. Army time, military time, and the 24-hour clock are identical. They eliminate AM and PM designations by counting hours from 0000 to 2359.
What is 1500, 1700, and 1900 in military time?
1500 is 3:00 PM, 1700 is 5:00 PM, and 1900 is 7:00 PM. For any time after 12:00 noon, simply subtract 12 from the hours to get civilian PM time.
How do you calculate hours between two military times?
Input the start time (e.g., 0800) and end time (e.g., 1730) into our Shift Duration Calculator. It instantly outputs elapsed hours, minutes, and decimal payroll hours, accounting for overnight shifts.