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| Name | What Is Zulu Time and How Do You Calculate It ? |
| Video Uploader | Video From the factique. |
| Upload Date | This Video Uploaded At 15-05-2023 01:00:24 |
| Video Discription | There are 24 different time zones around the world. So, it can get confusing if someone in one country — or even one state — says to someone in a different country or state, "I'll call you back at 3." Whose 3 p.m. do they mean? Now apply that situation to travel and transportation. Centuries ago, it became apparent that one standard time measurement was needed to keep ships on schedule. The need ramped up with the advent of rail, automotive and finally air travel, which sends thousands of planes hurtling through airspace at any given time. Pilots can cross multiple time zones faster than other modes of transportation, so they needed to make sure everyone was aware of not only where each plane was, but also when, from a safety perspective. In 1960, the International Radio Consultative Committee agreed upon one universal time for pilots and others to use as a fixed "time zone," so that everyone was on the same page. Dubbed Zulu Time, this constant clock is officially the time in Greenwich, England and is also known as Greenwich Mean Time (GMT). In 1884, Greenwich was designated the point of 0 degrees longitude or the prime meridian. This is the point that divides the Eastern Hemisphere from the Western Hemisphere. Any city on Earth could have been designated the prime meridian, as it's really only an agreed-upon point for starting to measure directions both west and east. However, Greenwich, England was selected because King Charles II had built an observatory there back in 1675 to tackle the problem. Britain was still a major world power in 1884, when its delegates proposed Greenwich as the site for the prime meridian at an international conference and the other nations went along with the idea. Zulu Time (officially called Coordinated Universal Time) was implemented in 1967. Since Greenwich is known as the "zero meridian," military and airline personnel starting using the word "Zulu" for this time, since the phonetic or NATO alphabet designates the letter "Z" as "Zulu" when people are speaking to each other and need to spell out a word and be sure it is understood. In addition to being used by airline personnel and air traffic controllers, Zulu Time is also used by meteorologists tracking the weather, and in many internet and world wide web standards. It's likely your computer was set to Zulu Time when you first bought it. You might see a weather report with a code like 072154Z. This means the report was done on the seventh day of the month at 21:54 Zulu Time. The main thing to know about Zulu Time is that it is always the same, no matter where you are in the world. You're just at different points on it. Here's how to figure out your own personal version of Z-Time based on where you are: Convert your time to the 24-hour version, like the U.S. military uses. For example, if it's 2 p.m. where you are, add 12 hours to the time to get a military time of 1400. Adjust for the time difference where you are, versus GMT. So, if you live in the Eastern Daylight Time zone, add four hours (because the eastern U.S. is four hours behind GMT). This makes your Zulu Time 1800Z. Here's another example: If a plane was leaving Newark at 10:00 a.m. local time, and arriving in Los Angeles at 12:30 p.m. local time, this would be expressed as leaving Newark at 1400Z and arriving in Los Angeles at 1930Z. Phoenix is on Pacific Time, which is currently three hours behind Eastern Time (where Newark is). So, we add four hours for Newark and seven hours for Los Angeles to get the Zulu Time or GMT. The beauty of Zulu Time is that you don't have to wonder which time zone is being referred to when you see the time. And there is no a.m. or p.m. to worry about. Figuring out what the time is versus your local time does take some getting used to if you're not doing it regularly, but there are lots of apps and calculators on the web to help you figure things out. Zulu Time (GMT) is also referred to as Zero Time, Z-Time and the more explanatory Coordinated Universal Time (UTC). You might wonder why the abbreviation is not CUT. Blame it on the French: They said it should be TUC for Temps Universel Coordonné (the French for Coordinated Universal Time). The compromise was to use an abbreviation that didn't favor either language: UTC. |
| Category | Science & Technology |
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