Military Time Converter

Convert between 12-hour AM/PM time and 24-hour military time for schedules, travel, healthcare, and operations.

Convert 12-hour and 24-hour time
Enter a clock time and identify its current format to receive the equivalent notation.

About military time conversion

Military time is a common name for the 24-hour clock, a system that numbers the hours of a day from 00 through 23. Standard 12-hour time divides the day into two cycles labeled AM and PM. Both systems describe the same moments, but the 24-hour format removes the need for a period label and avoids ambiguity. This converter changes correctly formatted times in either direction for quick reference. To convert a PM time from the 12-hour clock, add 12 to the hour unless the hour is already 12. For example, 2:30 PM becomes 14:30, while 12:30 PM remains 12:30. AM conversion follows a different midnight rule: 12:05 AM becomes 00:05, while times from 1:00 AM through 11:59 AM keep the same hour with a leading zero when needed. Minutes never change during either conversion. Converting from 24-hour notation reverses those steps. Hours from 00 through 11 use AM, with hour 00 displayed as 12. Hours from 12 through 23 use PM, with 12 left unchanged and 12 subtracted from later hours. Thus 00:00 is 12:00 AM, 12:00 is 12:00 PM, and 23:15 is 11:15 PM. Understanding these boundary cases prevents the most frequent time-format mistakes. The 24-hour clock is widely used by armed forces, emergency services, hospitals, airlines, railways, laboratories, and international businesses. A time such as 1830 is often spoken as eighteen thirty, although written schedules commonly include a colon as 18:30. This page uses the colon form because it clearly separates hours and minutes and is familiar in digital calendars. It does not convert time zones or dates; it only changes the notation for the same local time. Enter 12-hour values with an hour, a two-digit minute, and AM or PM. Enter 24-hour values with an hour from 0 to 23 and a two-digit minute. The converter rejects impossible values such as 14:75 or 0:30 AM rather than guessing what was intended. Use the result when reading travel itineraries, preparing shift rosters, documenting clinical events, coordinating global teams, or learning to move confidently between standard and military time.

Military time conversion examples

Examples include midday, midnight, morning, and evening conversions.

Input timeConverted timeExplanation
2:30 PM14:30Add 12 to a PM hour after noon.
12:00 AM00:00Midnight begins hour zero on the 24-hour clock.
09:159:15 AMMorning hours keep their value and use AM.
23:4511:45 PMSubtract 12 from an evening hour and use PM.

How to use the military time converter

  1. Enter a time with minutes, including AM or PM for a 12-hour value.
  2. Choose whether the entered time uses the 12-hour or 24-hour format.
  3. Select Convert Time to validate and transform the notation.
  4. Read the equivalent time and retain the original time zone context.

Military time converter FAQ

What is 2:30 PM in military time?

The equivalent military time is 14:30. Add 12 to afternoon and evening hours from 1 PM through 11 PM.

What does 00:00 mean?

It is midnight at the beginning of a new calendar day. In 12-hour notation, it is 12:00 AM.

Is noon 12:00 or 00:00 in military time?

Noon is 12:00 in 24-hour notation. The value 00:00 represents midnight, twelve hours earlier.

Does military time use a colon?

Both 1430 and 14:30 may be encountered, depending on context. This converter uses the colon form to make hours and minutes easy to distinguish.

Does this tool change time zones?

No, it preserves the same local moment and only changes clock notation. Time-zone conversion requires the source zone, destination zone, and usually a date.