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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.
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, 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 (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.
The real reasons for daylight saving are based on energy conservation and a desire to match daylight hours to the times when most people are awake. The idea dates back to 1895 when entomologist...
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 ends at 2:00 a.m. local time on the first Sunday in November, when clocks fall back by an hour and observers gain an hour of sleep. What's behind the changes in...
The current dates for when the US springs forward (the second Sunday of March) into daylight saving time or falls back (the first Sunday of November) to standard time are enshrined in federal law and were most recently changed in the Energy Policy Act of 2005.
In 2024, in the United States, Daylight Saving Time (DST) runs from Sunday, Mar. 10, at 2 am, with clocks “springing forward” one hour, to Sunday, Nov. 5, when clocks “fall back” to Standard Time. In 2025, in the United States, DST will run from Sunday, Mar. 5 to Sunday, Nov. 2.
What Is Daylight Saving Time? DST is a seasonal time change measure where clocks are set ahead of standard time during part of the year. As DST starts, the Sun rises and sets later, on the clock, than the day before.