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时区如何计算
更新时间: 2020-09-17 00:00:00  

根据时区划分依据和各时区经度的分布规律,计算时区的方法是:

看已知经度中有几个15度的整倍数,然后看余数,余数小于7点5度,整倍数是几,这个经度就在几时区;余数大于7点5度,这个经度所在时区是整倍数加1。东经度在东时区,西经度在西时区。

例:东经123度所在时区是什么时区。

解:东经123度中有8个15度的整倍数,余数是3度小于7点5度,所以,东经123、4度所在时区为东8时区。

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