Military Time Chart: 12-Hour to 24-Hour Time Conversion Guide

A Military Time Chart is a simple reference table that converts standard 12-hour time (AM/PM) into the 24-hour clock, commonly known as military time. Instead of using separate AM and PM designations, military time counts the hours continuously from 0000 (midnight) to 2359 (11:59 PM), reducing confusion and improving accuracy.

Military time is widely used by the armed forces, emergency services, aviation, healthcare, law enforcement, and other industries where precise communication is essential. It is also useful for travelers, students, shift workers, and anyone who regularly encounters the 24-hour clock.

Whether you’re learning military time for the first time or need a quick conversion reference, this guide explains how the system works, how to convert standard time, and includes easy-to-read military time charts.

Related: Need to convert a specific time? Try our Military Time Converter for instant conversions between 12-hour and 24-hour time.

What Is Military Time?

Military time is a 24-hour timekeeping system that numbers the hours of the day from 0000 to 2359.

Unlike the standard 12-hour clock, military time does not use AM or PM. Each hour has a unique value, making it easier to communicate times without ambiguity.

For example:

  • 7:00 AM0700
  • 12:00 PM (Noon)1200
  • 3:45 PM1545
  • 11:30 PM2330

This format is especially valuable in professions where even a small misunderstanding about time could have serious consequences.

Military Time Chart

The chart below converts every hour of the day from standard time to military time.

Standard Time Military Time Standard Time Military Time
12:00 AM 0000 12:00 PM 1200
1:00 AM 0100 1:00 PM 1300
2:00 AM 0200 2:00 PM 1400
3:00 AM 0300 3:00 PM 1500
4:00 AM 0400 4:00 PM 1600
5:00 AM 0500 5:00 PM 1700
6:00 AM 0600 6:00 PM 1800
7:00 AM 0700 7:00 PM 1900
8:00 AM 0800 8:00 PM 2000
9:00 AM 0900 9:00 PM 2100
10:00 AM 1000 10:00 PM 2200
11:00 AM 1100 11:00 PM 2300

How to Read Military Time

Learning military time is straightforward once you understand a few basic rules.

Midnight

  • 12:00 AM = 0000

Morning Hours

For times between 1:00 AM and 9:59 AM, add a leading zero.

Examples:

  • 1:00 AM → 0100
  • 6:30 AM → 0630
  • 9:45 AM → 0945

Noon

  • 12:00 PM = 1200

Afternoon and Evening

For times after noon, simply add 12 to the hour.

Examples:

  • 1:00 PM → 1300
  • 4:15 PM → 1615
  • 8:45 PM → 2045
  • 11:59 PM → 2359

Minutes Stay the Same

Only the hour changes when converting from standard time. The minutes remain unchanged.

Examples:

  • 2:30 PM → 1430
  • 5:20 AM → 0520
  • 10:15 PM → 2215

Military Time Chart with 15-Minute Intervals

For scheduling, shift work, travel planning, and daily reference, the following chart shows military time in 15-minute increments.

(Insert your complete 15-minute interval chart here.)

This expanded chart makes it easy to convert common appointment times without performing mental calculations.

How to Convert Standard Time to Military Time

You can convert standard time into military time using these simple steps.

AM Times

  • Keep the hour the same.
  • Add a leading zero if the hour is less than 10.
  • Remove AM.

Examples:

  • 3:15 AM → 0315
  • 8:45 AM → 0845
  • 11:20 AM → 1120

PM Times

  • Add 12 to the hour (except for 12 PM).
  • Remove PM.

Examples:

  • 2:00 PM → 1400
  • 5:45 PM → 1745
  • 9:30 PM → 2130

How to Convert Military Time to Standard Time

Converting back is just as simple.

  • If the hour is 0000–1159, it’s AM.
  • If the hour is 1200, it’s noon.
  • If the hour is 1300–2359, subtract 12 from the hour and add PM.

Examples:

Military Time Standard Time
0615 6:15 AM
1200 12:00 PM
1430 2:30 PM
1800 6:00 PM
2330 11:30 PM

4-hour Military Time Chart with 15-minute intervals

Here’s a complete 24-hour Military Time Chart with 15-minute intervals for easy reference:

Standard Time Military Time Standard Time Military Time Standard Time Military Time Standard Time Military Time
12:00 AM 0000 6:00 AM 0600 12:00 PM 1200 6:00 PM 1800
12:15 AM 0015 6:15 AM 0615 12:15 PM 1215 6:15 PM 1815
12:30 AM 0030 6:30 AM 0630 12:30 PM 1230 6:30 PM 1830
12:45 AM 0045 6:45 AM 0645 12:45 PM 1245 6:45 PM 1845
1:00 AM 0100 7:00 AM 0700 1:00 PM 1300 7:00 PM 1900
1:15 AM 0115 7:15 AM 0715 1:15 PM 1315 7:15 PM 1915
1:30 AM 0130 7:30 AM 0730 1:30 PM 1330 7:30 PM 1930
1:45 AM 0145 7:45 AM 0745 1:45 PM 1345 7:45 PM 1945
2:00 AM 0200 8:00 AM 0800 2:00 PM 1400 8:00 PM 2000
2:15 AM 0215 8:15 AM 0815 2:15 PM 1415 8:15 PM 2015
2:30 AM 0230 8:30 AM 0830 2:30 PM 1430 8:30 PM 2030
2:45 AM 0245 8:45 AM 0845 2:45 PM 1445 8:45 PM 2045
3:00 AM 0300 9:00 AM 0900 3:00 PM 1500 9:00 PM 2100
3:15 AM 0315 9:15 AM 0915 3:15 PM 1515 9:15 PM 2115
3:30 AM 0330 9:30 AM 0930 3:30 PM 1530 9:30 PM 2130
3:45 AM 0345 9:45 AM 0945 3:45 PM 1545 9:45 PM 2145
4:00 AM 0400 10:00 AM 1000 4:00 PM 1600 10:00 PM 2200
4:15 AM 0415 10:15 AM 1015 4:15 PM 1615 10:15 PM 2215
4:30 AM 0430 10:30 AM 1030 4:30 PM 1630 10:30 PM 2230
4:45 AM 0445 10:45 AM 1045 4:45 PM 1645 10:45 PM 2245
5:00 AM 0500 11:00 AM 1100 5:00 PM 1700 11:00 PM 2300
5:15 AM 0515 11:15 AM 1115 5:15 PM 1715 11:15 PM 2315
5:30 AM 0530 11:30 AM 1130 5:30 PM 1730 11:30 PM 2330
5:45 AM 0545 11:45 AM 1145 5:45 PM 1745 11:45 PM 2345

 

Why Is Military Time Used?

Military time reduces the possibility of misunderstandings when communicating time.

It is commonly used in:

  • Armed forces
  • Hospitals
  • Emergency medical services (EMS)
  • Police departments
  • Fire departments
  • Airlines and airports
  • Rail transportation
  • Shipping and logistics
  • Scientific research
  • International travel

Using a single 24-hour clock ensures everyone interprets the same time correctly.

Benefits of Using a Military Time Chart

A military time chart offers several advantages.

It helps you:

  • Convert between 12-hour and 24-hour time quickly.
  • Avoid confusion between AM and PM.
  • Read schedules more accurately.
  • Improve communication in professional settings.
  • Learn the 24-hour clock more easily.
  • Save time when planning shifts or travel.

Because everything is displayed in one place, a chart is much faster than performing manual conversions.

Common Military Time Examples

Standard Time Military Time
Midnight 0000
7:00 AM 0700
10:30 AM 1030
Noon 1200
1:15 PM 1315
4:45 PM 1645
6:30 PM 1830
9:00 PM 2100
11:59 PM 2359

Frequently Asked Questions

What is military time?

Military time is a 24-hour clock system that counts the hours from 0000 to 2359 without using AM or PM.

Why does military time use four digits?

Military time uses four digits to clearly represent the hour and minutes, reducing the risk of confusion.

For example:

  • 0900 = 9:00 AM
  • 2100 = 9:00 PM

Is 2400 the same as 0000?

Both refer to midnight, but 0000 is the standard way to represent the start of a new day. While 2400 is occasionally used to indicate the end of a day in schedules or legal documents, it is much less common.

How do you say military time aloud?

Times are often spoken digit by digit.

Examples:

  • 0600 → “Zero six hundred”
  • 1300 → “Thirteen hundred”
  • 1545 → “Fifteen forty-five”

Is military time used outside the military?

Yes. Many civilian industries use the 24-hour clock, including healthcare, aviation, transportation, emergency services, and international business.

Tips for Learning Military Time

If you’re new to military time, these tips can help:

  • Memorize 1200 as noon and 0000 as midnight.
  • Remember that afternoon hours are found by adding 12.
  • Practice converting common appointment times.
  • Use a Military Time Chart until the conversions become familiar.
  • Try a Military Time Converter to check your answers.

With regular practice, reading military time quickly becomes second nature.

Conclusion

A Military Time Chart is one of the easiest ways to understand and use the 24-hour clock. Whether you’re converting appointment times, reading work schedules, planning travel, or working in a profession that relies on precise communication, a reliable conversion chart saves time and reduces mistakes.

By learning the basic conversion rules and using the charts provided above, you’ll be able to read and write military time with confidence in everyday situations.

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