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How military time works?

What is the principle of work of military time and why is it often used with Z-suffix? How to convert common time to the military? Read the article to learn this information.

How military time works?

Military time is started at midnight designated as 0000 hours. On another, they are called Zero Hundred Hours. Instead of having twelve-hour hours, which reboot twice in wartime, the military clock is started with 0000 at midnight and work till 2359 o'clock (23:59), until won't be rebooted at 0000 o'clock at midnight again yet. Pay attention that military hours don't use a colon to separate hours and minutes. For example, 1:00 makes 0100 hours. 13:00 is designated as 1300 hours. Contradicting widespread opinion, armed forces also don't call midnight 2400 hours or Twenty-Four Hundred Hours. To know how to write time since midnight to the afternoon in wartime, you just have to add zero before an hour and two zero later. 1:00 makes 0100 hours, 2 a.m. – 0200 hours, 3:00 – 0300 hours and so on. When you reach two-digit numbers, 10:00 and 11:00, just write 1000 hours for ten in the morning and 1100 hours for 11:00. Here are some more examples of conversion:

  • 4:00 – 0400 hours;
  • 5:00 – 0500 hours;
  • 12:00 – 1200 hours and so on.

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Hours increase since midday until midnight. In wartime, you don't begin a new twelve-hour cycle in the afternoon. Therefore, 13:00 becomes 1300 hours, 14:00 becomes 1400 hours, 15:00 becomes 1500 hours and so on. It proceeds until midnight and then hours reboot. When the case comes to operational questions (such as communications, educational maneuvers, flights, moves of vessels, etc.), armed forces should often coordinate with the personnel located in other time zones. To avoid a disorder, in these questions, armed forces use time in Greenwich, which is usually called Greenwich Mean Time (GMT). However, the American troops call this time zone as Zulu Time, and they apply a Z-suffix to confirm the mentioned time zone. For example, 'the vessel will come to the area of transactions in 1300Z'. It means that the vessel would arrive at 13:00 according to Greenwich. Not to be confused with military time worksheet, there is a special converter for it on the Internet. 

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