fashion

Although standard time was introduced in the U.S. and Canadian time zones of the railway in 1883, he was not in U.S. law until the Act of March 19, 1918, also known as name Standard Time Act established. This law also establishes the time was a controversial subject since. DST was repealed in 1919, but standard time in time zones remained in the law. Daylight Saving Time became a local matter. It should be reinstated nationwide since the Second World War and has been continuous since February 9, noted 1942-30 September 1945. After the war its use varied among states and municipalities. The Uniform Time Act of 1966 provided standardization allows the start and end of DST in the United States, but for local exemptions from compliance. The law provides that the light of day in April and ends the last Sunday of the month starts on the last Sunday in October, with the changeover occurring at 2 time clock.

During the crisis “energy” years, Congress earlier start dates of daylight saving time enacted. In 1974, DST began January 6 and in 1975 began February 23. After two years, again, the last Sunday in April. In 1986 a law was passed that shifted the start of DST the first Sunday of April, beginning in 1987. The end date for DST has not been subject to such changes, and remained on the last Sunday in October. The Energy Policy Act of 2005 changed the dates of beginning and end. In 2007, DST starts the second Sunday in March and ends the first Sunday of November.

For a clear account of the history of the standard and daylight saving time in the United States, see

Not all places in the U.S. observe daylight time. In particular, Hawaii and most of Arizona do not use it. Indiana adopted its use beginning in 2006.

share: Google Twitter Delicious