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Convert between 12-hour and 24-hour time formats instantly
12:00 PM
12:00
12-Hour to 24-Hour (Military):
24-Hour (Military) to 12-Hour:
| 12-Hour (Standard) | 24-Hour (Military) | Description |
|---|---|---|
| 12:00 AM | 00:00 | Midnight |
| 1:00 AM | 01:00 | Early morning |
| 6:00 AM | 06:00 | Dawn |
| 8:00 AM | 08:00 | Morning |
| 12:00 PM | 12:00 | Noon |
| 1:00 PM | 13:00 | Afternoon |
| 3:00 PM | 15:00 | Mid-afternoon |
| 5:00 PM | 17:00 | Evening |
| 6:00 PM | 18:00 | Dinner time |
| 9:00 PM | 21:00 | Night |
| 11:00 PM | 23:00 | Late night |
| 11:59 PM | 23:59 | End of day |
What is Military Time? Military time (24-hour clock) is a timekeeping system that runs from 00:00 (midnight) to 23:59, eliminating the need for AM/PM designations. It's called "military time" in the United States because it's used by the armed forces, but it's the standard time format in most countries worldwide.
Why Use Military Time? Military time eliminates confusion between morning and evening hours. There's no ambiguity about whether 3:00 means morning or afternoon - 03:00 is always morning, and 15:00 is always afternoon. This clarity is crucial in healthcare, aviation, military operations, and emergency services.
How to Read Military Time: For times from 00:00 to 12:59, the military time is similar to standard time (just remove the colon and add leading zeros). For times from 13:00 to 23:59, subtract 12 from the hour to convert to PM time. For example, 18:00 minus 12 equals 6:00 PM.
1800 hours (or 18:00) in military time is 6:00 PM in standard 12-hour format. To convert, subtract 12 from 18 to get 6, and add PM. Military time is often spoken as "eighteen hundred hours."
Midnight is 00:00 (spoken as "zero hundred hours" or "twenty-four hundred hours" at the end of the day). Noon is 12:00 (spoken as "twelve hundred hours"). These are two critical times where confusion often occurs in 12-hour format.
Most countries worldwide use the 24-hour clock as their standard time format, including all of Europe, most of Asia, Africa, and South America. The United States, Canada, Australia, and a few other countries primarily use the 12-hour format in daily life, though they use 24-hour time in military, medical, and transportation contexts.
In formal military notation, time is often written without a colon (e.g., 1430 for 2:30 PM). However, in digital displays and casual use, a colon is commonly used (14:30). Both formats are acceptable, though the no-colon format is more traditional in military contexts.