

It's caused by rapid travel across time zones. Jet lag is a mismatch between your body clock and the local time wherever you are. If you travel has time zone complexities or possible impacts on your health or comfort, consult an expert as you plan it. If starting the reverse course by midday, you may well arrive but a few clock hours more or less on the same calendar day.west coast to Japan or Hong Kong in late evening can land you there in the morning two calendar days later. Starting a 12–15 hour flight from the U.S.Crossing the International Date Line can cause confusion about on what date you'll arrive, e.g.,:.You may miss important obligations simply by not understanding what will be the correct local time as you travel.Your "body clock" may experience some stress as you "tell" it to meet business appointments, tours and other obligations perhaps a few or several hours different from the hours you normally rest.

You need to take some care when planning trips that span time zones, e.g.,: (Note: The total span of time zones covers more than 24 hours because the Date Line jogs westward and eastward to keep certain national island groupings on the same calendar day, although they are not within a single time zone.)
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Crossing the Date Line going eastward, clocks are turned back a full 24 hours, and vice versa in the opposite direction. UTC+4) zones west of UTC and east of the Date Line are specified by the number of hours behind UTC (e.g. Time zones east of UTC and west of the International Date Line are specified by the number of hours ahead of UTC (e.g. It comes from the nautical system in which each time zone was assigned a letter. The "Z" is for "zero", and "Zulu" is the two-way radio pronunciation of "Z". UTC is also sometimes called Z or Zulu time. UTC used to be called GMT (Greenwich Mean Time), after the Royal Observatory located in the Greenwich area of London. Each of the zones have a corresponding letter and name.This is a list of countries, regions, and territories grouped by time zone.Īlthough many time zones have descriptive names used by people in them, they are least ambiguously identified by their relationship to UTC (Universal Time, Co-ordinated). The local time is denoted by a “J” at the end, and the eastern time zone is denoted by an “R” at the end. Time stamps referencing Greenwich Mean Time (GMT for short – often interchanged with Coordinated Universal Time/UTC) is denoted by a “Z” at the end, and is written as 0752Z. Also, in the military, these time stamps are often written without the colon, so 07:52 would rather be written 0752. When speaking in military time, 07:00 may be stated as “zero seven hundred” or “oh seven hundred”. This method of keeping time is most commonly used by the military, government, public transportation, hospitals, meteorologists, astronomers, those employed in emergency services, and also with computers. This holds true all the way up to 12:59 p.m.įor everything after 12:59 p.m., just add 12 to the hours. is the same in both military and civilian time. There are only two things to remember to help you tell military time: Another example highlighting the difference between the two would be to show that 10:15 am is written as 10:15 in military time but 2:30 pm is written as 14:30. Both are acceptable.Ī usage example showing the 12 hour clock vs military time would be a time table showing 4:00 pm to 12:00 midnight. Sometimes you may see 00:00 written as 24:00. The last minute of the day is written as 23:59, or one minute before the next midnight. When keeping hours in this fashion, the day starts at midnight and is written as 00:00. You may use this as a military time converter, or reference it as a military time conversion chart.

Easy to Read Military Time Chart A side-by-side look at the 12 hour clock times and the corresponding military/24 hour clock times, provided exclusively by Military Time Chart. It is the most commonly used interval notation in the world. It is based on a 24 hour clock, and is a method of keeping hours in which the day runs from midnight to midnight and is divided into 24 hour increments.
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Have you ever wondered how to read military time quickly and easily? Or even wondered what it was, or why it exists? Well, welcome to the Internet’s greatest authority resource on just that! On this page, you will find the answers to that and more in great detail, in other words, everything you will ever need to know about military time (or astronomical time), as well as some quick and easy tips on how to read it.
