Daylight Saving Time, Definition, History, & Facts
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Descrição
Daylight Saving Time, system for uniformly advancing clocks, so as to extend daylight hours during conventional waking time in the summer months. In countries in the Northern Hemisphere, clocks are usually set ahead one hour in late March or in April and are set back one hour in late September or in October.
Time in the United States - Wikipedia
How did daylight saving time originate?
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What is the history of daylight saving time?
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