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Hello,
I may answer it.
There are 360 longitudes. each longitude is separated by the other by 4 minutes. (that makes 360 * 4 = 1440 minutes = 24 hours). depending on what is the central most longitude of a country (and in some countries which have multiple time zones -they chose more than 1 longitude by bunching the country up into different regions) this central longitude is generally used for the time of the country. hence there could be atleast 360 time zones in the world. some countries also take half a longitude as they prefer to be X.5 hours away from GMT and some prefer X.15 mins from GMT and even some at X.45 mins from GMT.
given that the earth is round, if there was one time for all the world, it would mean that some places would think of 12 noon as dark, some as twilight, some as dawn and some as noon. imagine some parts of the world sleeping only during the day etc
Wiki User
∙ 15y ago
Wiki User
∙ 12y agoIt can't be noon everywhere on earth at once, since noon is defined as the time of day when the sun is highest in the sky. If it is noon for me now, it will not be noon for anybody to the east or west of me. For the sake of convenience, the Earth is divided into 24 time zones which maintain common clocks for the areas within them (there are some exceptions to this.) Each time zone is 1 hour different from the next. But from an astronomical point of view, only points on surface of the earth at the same longitude will share the same time of day.
Wiki User
∙ 12y agoBecause the Earth is constantly moving and morning time moves forward every second. so whenever its morning time in china, is nightime in the US.
Wiki User
∙ 13y agoyes there is a time difference between each longitudes.There is a gap of every FOUR minutes between each and every longitude.
Wiki User
∙ 13y agoBecause each day has 24 hours, and there are 24 time zones on Earth, so that differences from place to place could be accounted for.
Wiki User
∙ 13y agoThe more west you go , the earlier the time is.
Wiki User
∙ 12y agoThe world is divided into 24 time zones, with each being an hour ahead or behind the one next to it.
Wiki User
∙ 12y agobecause the world is divided into time zones
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