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Daylight saving time (DST), also referred to as daylight saving (s), daylight savings time, daylight time (United States and Canada), or summer time (United Kingdom, European Union, and others), is the practice of advancing clocks to make better use of the longer daylight available during summer so that darkness falls at a later clock time.
The Uniform Time Act of 1966 established a uniform set of rules for states opting to observe daylight saving time. [1] In the U.S., daylight saving time starts on the second Sunday in March and ends on the first Sunday in November, with the time changes taking place at 2:00 a.m. local time. With a mnemonic word play referring to seasons, clocks ...
Daylight saving time will end for the year at 2 a.m. local time on Sunday, Nov. 3, when we "fall back" and gain an extra hour of sleep. Next year, it will begin again on Sunday, March 9, 2025.
Daylight saving time is a way to conserve energy by utilizing more hours of sunlight as a natural source. The timeframe in which the sun rises and sets already depends on the season you're in.
A Department of Energy study found the extra four weeks of daylight saving time saved around 0.5% in total electricity daily in the U.S., equaling energy savings of 1.3 billion kilowatt-hours ...
Daylight saving time by country. Daylight saving time (DST), also known as summer time, is the practice of advancing clocks during part of the year, typically by one hour around spring and summer, so that daylight ends at a later time of the day. As of 2024, DST is observed in most of Europe, most of North America and parts of Africa and Asia ...
The origins of daylight saving time. To trace the origins of daylight saving time, one needs to travel back to the 1880s, when more than 144 local time zones existed across the U.S. and most ...
The Sunshine Protection Act is a proposed United States federal law that would make U.S. daylight saving time permanent, meaning the time would no longer change twice per year. [1][2] The bill has been proposed during several sessions of Congress. In 2022, the Senate passed the bill by unanimous consent, although several senators stated later ...