很多年这被叫做格林尼治平均时。

For many years it was called Greenwich Mean Time.

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在欧盟国家，夏令时的开始和结束都是在世界时间(格林尼治平均时)凌晨1点。

In the European Union, Summer Time begins and ends at 1:00 a. m. Universal Time (Greenwich Mean Time).

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格林尼治（平均）时坐标。这是格林尼治平均时，被调整到秒的整数值，它异于国际原子时。（参考）

UTC Universal Time Coordinated. This is Greenwich Mean Time, adjusted to be an integral number of seconds different from International Atomic Time.

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格林尼治（平均）时坐标。这是格林尼治平均时，被调整到秒的整数值，它异于国际原子时。（参考）

UTC Universal Time Coordinated. This is Greenwich Mean Time, adjusted to be an integral number of seconds different from International Atomic Time.

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