Military Time Calculator

Convert between 12-hour (AM/PM) and 24-hour (military) time. Full conversion chart and time difference calculator.

Military Time

1200

12:00 PM = 1200 hours

Military Time Conversion Chart

Standard TimeMilitary TimeSpoken
12:00 AM0000“Zero hundred hours”
1:00 AM0100“Zero one hundred hours”
2:00 AM0200“Zero two hundred hours”
3:00 AM0300“Zero three hundred hours”
4:00 AM0400“Zero four hundred hours”
5:00 AM0500“Zero five hundred hours”
6:00 AM0600“Zero six hundred hours”
7:00 AM0700“Zero seven hundred hours”
8:00 AM0800“Zero eight hundred hours”
9:00 AM0900“Zero nine hundred hours”
10:00 AM1000“Ten hundred hours”
11:00 AM1100“Eleven hundred hours”
12:00 PM1200“Twelve hundred hours”
1:00 PM1300“Thirteen hundred hours”
2:00 PM1400“Fourteen hundred hours”
3:00 PM1500“Fifteen hundred hours”
4:00 PM1600“Sixteen hundred hours”
5:00 PM1700“Seventeen hundred hours”
6:00 PM1800“Eighteen hundred hours”
7:00 PM1900“Nineteen hundred hours”
8:00 PM2000“Twenty hundred hours”
9:00 PM2100“Twenty-one hundred hours”
10:00 PM2200“Twenty-two hundred hours”
11:00 PM2300“Twenty-three hundred hours”

Frequently Asked Questions

How It Works

  1. Convert to Military — Select an hour (1–12), minute (0–59), and AM or PM. The calculator instantly displays the equivalent 24-hour military time code.
  2. Convert to Standard — Enter a four-digit military time (0000–2359) and see the 12-hour AM/PM equivalent right away.
  3. Calculate Time Difference — Enter two military times and the calculator computes the duration between them in hours and minutes, handling overnight spans automatically.
  4. Reference the chart — Scroll down for a full 24-hour conversion chart showing standard time, military time, and spoken pronunciation for every hour.