In 1966, the U.S. Congress passed the Uniform Time act, making daylight saving a national practice, but one that states could decide whether or not to observe.
1966年,美国国会通过了《统一时间法案》(Uniform Time Act),夏令时被国家采用,但是州可以决定是否遵循。
In 1966, the U.S. Congress passed the Uniform Time act, making daylight saving a national practice, but one that states could decide whether or not to observe.
1966年,美国国会通过了《统一时间法案》(Uniform Time Act),夏令时被国家采用,但是州可以决定是否遵循。
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