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Standard Time (SDT) and Daylight Saving Time (DST) offsets from UTC in hours and minutes. For zones in which Daylight Saving is not observed, the DST offset shown in this table is a simple duplication of the SDT offset. The UTC offsets are based on the current or upcoming database rules.
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 Ohio Clock in the U.S. Capitol being turned forward for the country's first daylight saving time on March 31, 1918 by the Senate sergeant at arms Charles Higgins.. 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.
Observed DST with annual time changes in 1973–1978 and 1985–2011, permanently in 2012–2013, with annual time changes in 2014–2022, and permanently since 2022. Kazakhstan: 2004: Observed DST in 1981–1990 and 1992–2004. Kosovo: Observed DST 1941–1945 and since 1983 when it was part of Yugoslavia, Serbia and Montenegro, Serbia or ...
Daylight saving time (DST) is the practice of advancing clocks during warmer months so that darkness falls later each day according to the clock.. Proponents of DST generally argue that it saves energy, promotes outdoor leisure activity in the evening (in summer), and therefore is good for physical and psychological health, reduces traffic accidents, reduces crime or is good for business.
Prior to the nationwide implementation of DST in 1967, some American states observed permanent Standard Time. [7] Currently in the US, Arizona (with the exception of the Navajo Nation), Hawaii, and all permanently inhabited territories (American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the Virgin Islands) observe permanent standard time. [8]
Most of Ontario uses DST. Pickle Lake, Atikokan, and New Osnaburgh are three communities within the Central Time Zone in northwestern Ontario that observe Eastern Standard Time year-round. Ontario was the site of the first municipality in the world to enact DST: Port Arthur on July 1, 1908. [4]
Yukon (no DST) On September 24, 2020, Yukon switched to the Mountain Standard Time year-round. Therefore, clocks in Yukon and Alberta are the same in the winter, and Alberta is one hour ahead in summer. Previously, the territory had used the Pacific Time Zone with daylight saving time: UTC−8 in winter and UTC−7 in summer. [5]