Live Military Time Converter
It converts 12-hour AM/PM time to 24-hour military time and converts military time back to 12-hour time.
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BulkCalculator Time Tools
Military Time Converter
Free military time converter with 24-hour to 12-hour calculator, full conversion chart and spoken time examples.
How to use Military Time Converter
- Open the Military Time Converter page and use the default example if you want a quick test.
- Enter 12-hour time such as 5:30 pm or 24-hour time such as 0900 in the tool panel.
- Press the primary action button or use the listed keyboard shortcut when available.
- Read the result as 12-hour time, 24-hour time, four-digit military time and spoken wording, then copy, export or print it if needed.
Formula and algorithm
For PM times except 12 PM, add 12 to the hour. For AM times, 12 AM becomes 00.
This tool runs in your browser. If the tab is backgrounded or the device sleeps, visible updates or alerts may be delayed. Notifications and Wake Lock reduce that risk where supported, but they are not a guarantee.
Worked example
5:30 PM to 1730; 0900 to 9:00 AM. The expected output is Both correct.
{
"tool": "Military Time Converter",
"input": "5:30 PM to 1730; 0900 to 9:00 AM.",
"output": "Both correct."
}Use cases
- Healthcare schedules
- Aviation
- Military-style logs
- Travel itineraries
- International scheduling
Pro tips and gotchas
- 0000 means midnight.
- 1200 means noon.
- Write four digits when ambiguity matters.
- Do not add AM or PM to true 24-hour time.
- Use UTC letters only when a time zone is stated.
Frequently Asked Questions
What is 1300 in regular time
1300 in military time is 1:00 PM in standard 12-hour time. The rule: from 1300 onward, subtract 12 to get the PM hour. So 1400 = 2:00 PM, 1500 = 3:00 PM, 1730 = 5:30 PM, and so on. The converter does it automatically — enter 1300 and it returns 1:00 PM. Useful for reading airline schedules, military or hospital documents, and any 24-hour clock display common across most of the world outside the US.
How to convert military time to standard time
For times from 0001 to 1259, the standard 12-hour version is the same number with AM (or PM for 1200) attached. For times from 1300 to 2359, subtract 12 from the hours and append PM. So 1500 - 12 = 3:00 PM. The converter handles all the edge cases — midnight (0000 = 12:00 AM), noon (1200 = 12:00 PM), and the 1259-1300 transition. Just type the military time and read the standard time output.
What is 1830 in 12 hour time
1830 is 6:30 PM. Subtract 12 from the 18 to get 6, keep the 30, and tag it PM since it's after noon. The converter shows the result instantly — type 1830, get 6:30 PM. Useful for translating military-time event listings, flight schedules, or international meeting times into the format that's more familiar in the US. The reverse direction works too — type 6:30 PM and you get 1830 back.
What is midnight in military time
Midnight is conventionally 0000 (read as "zero hundred"), marking the start of the new day. Some military and aviation contexts use 2400 to indicate the end of the previous day, but this is less common and can cause confusion. The converter uses 0000 by default. So 12:00 AM = 0000, 12:30 AM = 0030, 1:00 AM = 0100, and so on through the early morning. Avoid 2400 unless your specific industry requires it.
What is noon in military time
Noon is 1200, exactly halfway through the 24-hour day. From 1201 to 1259, the time stays in the 12-hour range — 1230 is 12:30 PM. From 1300 onward, subtract 12 to get the 12-hour PM equivalent. So 1200 = 12:00 PM (noon), 1300 = 1:00 PM, 1400 = 2:00 PM. The converter handles noon and the 1200-1259 range correctly without rolling over to 0000 or showing AM.
How to read 24 hour time format
The 24-hour clock runs from 00:00 (midnight) to 23:59 (one minute before next midnight). 00:00 is midnight, 06:00 is 6 AM, 12:00 is noon, 18:00 is 6 PM, 23:00 is 11 PM. No AM or PM labels — the hour itself tells you whether it's morning, afternoon, or evening. The converter shows both formats side by side so you can read either one and translate when needed. Most countries outside the US use 24-hour time as default.
What is 2345 in regular time
2345 is 11:45 PM in standard 12-hour time. Subtract 12 from 23 to get 11, keep the 45, and tag it PM since it's after noon. The converter shows the result instantly — type 2345, get 11:45 PM. Useful for late-night flight times, military schedules, or 24-hour clock displays in apps and devices. Ten more minutes and you'd hit midnight (0000 / 12:00 AM), which is when the day rolls over to the next.
Glossary
- UTC
- Coordinated Universal Time, the reference time standard used for offsets and date math.
- DST
- Daylight Saving Time, a seasonal clock change that can affect wall-clock schedules.
- IANA time zone
- A named time zone such as America/New_York used by browsers for DST-aware rendering.
- Tab-title timer
- A timer state shown in the browser tab title so it remains visible while multitasking.
- Wake Lock
- A browser feature that can ask a device to keep the screen awake during active timing.
- localStorage
- Browser storage used here for settings and saved tool state on the same device.
- Input format
- 12-hour time such as 5:30 PM or 24-hour time such as 0900.
- Output format
- 12-hour time, 24-hour time, four-digit military time and spoken wording.
References and sources
- ISO 8601 for week-number rules.
- 5 U.S.C. section 6103 for US federal holidays.
- IANA Time Zone Database for time zone identifiers.
- The Pomodoro Technique, Francesco Cirillo, 1987 for Pomodoro method.
- US Department of Labor FLSA for overtime context.
- NIST Time and Frequency Division for time-keeping standards.