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Daylight saving time - Wikipedia
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.
Daylight saving time in the United States - Wikipedia
Most of the United States observes daylight saving time (DST), the practice of setting the clock forward by one hour when there is longer daylight during the day, so that evenings have more daylight and mornings have less.
Daylight saving time 2025: When do clocks spring forward?
1 day ago · The days are getting longer, and soon millions of people across the United States will see the clocks change as daylight saving time begins.
Daylight Saving Time | Definition, History, & Facts | Britannica
Jan 11, 2025 · 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.
Daylight Saving Time Rules - NIST
Mar 2, 2010 · What is daylight saving time? Daylight saving time, or DST, is the period of the year when clocks are moved one hour ahead. In the United States, this has the effect of creating more sunlit hours in the evening during months when the weather is the warmest.
Daylight Saving Time 2025 in the United States - timeanddate.com
Daylight Saving Time (DST) in most of the United States starts on the second Sunday in March and ends on the first Sunday in November. Which States and Federal Districts use Daylight Saving Time in 2025
Trump's plan to end daylight saving: Will 4:30 a.m. be the
President-elect Donald Trump announced he'd like to turn out the lights on daylight saving time, which could profoundly affect the warm-weather life of every American. Morning in America could,...
What Is Daylight Saving Time? - timeanddate.com
Daylight Saving Time (DST) is the practice of setting the clocks forward one hour from standard time during the summer months, and back again in the fall, in order to make better use of natural daylight.
Daylight Saving Time 2025: When Does the Time Change? - The …
Jan 2, 2025 · Daylight Saving Time begins on Sunday, March 9, 2025, at 2:00 A.M. On Saturday night, clocks are set forward 1 hour (i.e., losing one hour) to “spring forward.” Sunrise and sunset will be about 1 hour later on March 9, 2025, than the …
Daylight saving time 2024: When does it end, when do we 'fall …
Oct 27, 2024 · When does daylight saving time end in 2024? 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.