What is 1521 military time in 12-hour time?

1521 Hours in Military Time is 3:21 PM and "15:21" time in 24-hour format. The military format said "fifteen twenty-one" is used throughout the world (not just the military) and leverages a 24-hour time format which has been adopted by military, first responders, and hospital time setting. Below are ways to convert 1521 through a time chart, automated converter, and how to convert the 24-hour clock into a 12-hour AM/PM system by hand.

1521 in Military Time Conversion Chart

Here’s how to quickly convert 1521 Military Time to 12-Hour Standard Time

How to say 1521 in military time: "fifteen twenty-one"

The way to read 1521 in military format always begins with four digits. Start with the hours in 1521 to say “fifteen”. Then we can add the minutes to fifteen and say “twenty-one” in the conclusion. This gives direct time of day orders of "fifteen twenty-one" in a clear, concise way without using AM or PM 12-hour format.

3:21 PM vs 1521 Military Time

1521 Hours works from a 24-hour clock with a few basics:

• Military Time has 4 digits continuously like: [1, 5] [2, 1]
• Time zones are written with letter abbreviations and spoken by a phonetic alphabet
• Military Time is spoken with “hours” at the end. “Thirteen thirty-five hours”

3:21 PM is on the 12-hour clock and works from a few basics:

• 3:21 PM is based on a 12-hour clock format
• 3:21 PM is used in most english-speaking countries
• Does distinguish the morning and afternoon with AM/PM

1521 Military Calculations