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Military Time Converter

Convert between 12-hour and 24-hour military time in both directions, with the full 0000-2300 chart, how to say each time out loud and the NATO zone letters.

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Open Military Time Converter and you get an answer straight away, with no account to create. Its place is under Dates & time; Daily Time Savings Calculator and Email Reply Time Calculator answer the questions closest to this one.

How to use it

  1. Open the tool — no signup or install needed.
  2. Enter your input or adjust the available options.
  3. Get your result instantly, then copy or download it.

Frequently asked questions

What is Military Time Converter?

Convert between 12-hour and 24-hour military time in both directions, with the full 0000-2300 chart, how to say each time out loud and the NATO zone letters.

When would I actually use this?

Answering a scheduling question exactly: how many working days until a deadline, what date falls sixty days out, and what time that is for a colleague elsewhere.

What is the most common mistake?

Counting days by subtracting dates and forgetting whether the endpoints are included. Inclusive and exclusive counts differ by one, which is the difference between meeting a deadline and missing it.

How is Military Time Converter different from Daily Time Savings Calculator?

They sit next to each other but answer different questions. Daily Time Savings Calculator: see how a few minutes saved each day compound into hours, work days and weeks over a year. Pick whichever matches what you're starting from — both are free.

Is there a tool for the next step?

Email Reply Time Calculator is the closest one after this: A tongue-in-cheek guide to the ideal window to reply to an email, from sender, urgency, timing and your strategy.

What else is worth having open alongside it?

Time zone converter and Reading time calculator — they come up in the same task often enough to be worth a second tab.

Where do the figures come from?

Calendar arithmetic follows the proleptic Gregorian calendar and the IANA time-zone database, so daylight-saving transitions and leap years are handled. Public holidays vary by country and region and are not assumed.

Further reading

All guides →
ExplainerReading and Writing Military Time0800 is not “eight o'clock” and not “08:00” — it is “zero eight hundred”, with a zone letter on the end. The four digits, the spoken form, midnight at 0000, the argument about 2400, and the reason 12-hour notation cannot settle noon.ExplainerThe Same 1,200 Words Run from Seven Minutes to ElevenDelivery speed decides a talk's length more than the script does. At 170 words a minute the same text takes 7 min 04 s; at 110 it takes 10 min 55 s — and only one of those fits a ten-minute slot.ExplainerFour Hours a Day of Screen Is Sixty-One Days a YearFour hours a day is 28 a week and 1,460 a year — 60.8 full days. Three hours is 45.6 days and seven is 106.5. The conversion is arithmetic; what it means is not.ExplainerEight Pages or Three, and the Word Count Did Not Change2,000 words is 8 pages double-spaced, 4 single-spaced and 3.3 in a dense report layout. "How many pages" is a question about the layout, not about the text — and the 250-word page has a history.GuideThe Pomodoro Method: How Long to Work and How Long to RestTwenty-five and five come from Francesco Cirillo's method, not from a trial. What the research actually measured is task switching and the cost of getting back in — and the reason a fixed interval helps is not that 25 minutes is optimal. Plus what the planner really returns, including the long break it quietly leaves out.ExplainerHow Daylight Saving Time Works: Spring Forward, Fall BackDaylight saving time shifts clocks an hour in spring and back in autumn. Learn spring-forward and fall-back, why one day is 23 hours and another 25, and how US and EU dates differ.