As most of the United States prepares to set its clocks an hour earlier overnight on Saturday, it’s time again for frequently asked questions like "Is it better to wake up in the dark, or to go home in the dark?" and "Why are we doing this, again?" Daylight Saving Time ends at 2 a.m. Sunday, November 3, as outlined in 15 U.S.C. § 260a . DST will resume with a "spring forward" on the second Sunday of March. In 2020, the Congressional Research Service issued a helpful report on Daylight Saving Time . The CRS report details the history of DST in the U.S. and congressional action related to it. DST was first adopted in the United States during World War I, with the Standard Time Act of 1918 (also called the Calder Act). This act created standardized time zones for the United States and set a DST, which was already in place in parts of Europe to help conserve fuel during the war. (Temporary year-round DST, also known as "War Time," reappeared in t
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