What are 12:00 AM and 12:00 PM in military time?

12:00 AM is midnight and converts to 0000. 12:00 PM is noon and converts to 1200. The words midnight and noon are clearer than AM or PM when a schedule must be unambiguous.

Are 0000 and 2400 the same?

They identify the same instant at a date boundary but describe different dates: 0000 begins a date, while 2400 ends a date. Values such as 2401 are invalid; one minute after 2400 is 0001 on the next date.

What does Z mean after military time?

Z is the military zone letter for UTC and is spoken as Zulu. Other military letters represent fixed whole-hour UTC offsets; J means the speaker's local time. For daylight-saving and location rules, use the Time Zone Calculator instead.

Does military time use a colon?

Strict military notation normally uses four digits without a colon, such as 1530. Civilian 24-hour notation commonly writes the same time as 15:30.

Military Time Converter

Convert between 12-hour, 24-hour and four-digit military time, including midnight, noon, pronunciation and optional zone letters.

Enter Time

Use a standard clock time with AM or PM.

Include Seconds

HourMinuteAM / PM

Military Zone Letter (Optional)

Zone letters label fixed whole-hour UTC offsets. J means the speaker's local time.

Military notation uses four digits without a colon. A suffix such as Z identifies the zone; Z means UTC or Zulu Time.

Converted Time

Four-digit military notation

1530

12-Hour: 3:30 PM
24-Hour: 15:30
Military: 1530

Say It AsFifteen Thirty Hours

Military Time Conversion Chart

Select an hour to load it into the converter.

Midnight: Use 0000 for the beginning of a date. Use 2400 only for the exact end of a date.

Read The Military-Time Guide

Loading Tool…

What Is the Military Time Converter?

The Military Time Converter translates standard AM/PM times into the four-digit notation used by armed forces, aviation, hospitals and emergency services, and converts military or civilian 24-hour times back again. It shows the equivalent 12-hour time, colon-formatted 24-hour time, compact military time and a clear spoken form. It also accepts optional military time-zone letters such as Z for UTC, while explaining that those letters are fixed whole-hour offsets rather than location-based daylight-saving zones.

How It Works

Choose the direction, enter a time, and read every equivalent notation immediately. For military input, use formats such as 0730, 18:45 or 1530Z. Use 0000 for midnight at the beginning of a date; use 2400 only for the exact end of a date. The reference chart loads any full hour into the converter.

When to Use It

Use it when reading duty schedules, flight plans, medical records, dispatch logs, international itineraries or any timetable written with a 24-hour clock. It is also useful for learning military pronunciation and checking the easy-to-miss noon and midnight boundaries.

Frequently Asked Questions

What are 12:00 AM and 12:00 PM in military time?: 12:00 AM is midnight and converts to 0000. 12:00 PM is noon and converts to 1200. The words midnight and noon are clearer than AM or PM when a schedule must be unambiguous.
Are 0000 and 2400 the same?: They identify the same instant at a date boundary but describe different dates: 0000 begins a date, while 2400 ends a date. Values such as 2401 are invalid; one minute after 2400 is 0001 on the next date.
What does Z mean after military time?: Z is the military zone letter for UTC and is spoken as Zulu. Other military letters represent fixed whole-hour UTC offsets; J means the speaker's local time. For daylight-saving and location rules, use the Time Zone Calculator instead.
Does military time use a colon?: Strict military notation normally uses four digits without a colon, such as 1530. Civilian 24-hour notation commonly writes the same time as 15:30.

Found an issue? Send Feedback. See our data sources and update policy for tools that depend on changing information.