![]() ![]() Several changes occurred along the way, mostly altering the start and end dates of DST. had daylight saving time as early as 1918, with the current federal policy being enacted in 1966, as the Uniform Time Act. territories of American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the Virgin Islands observe permanent standard time. Two states - Arizona and Hawaii - and the U.S. Some states have commissioned studies on the topic including Massachusetts (2017) and Maine (2021). Florida (2018 California voters also authorized such a change that year, but legislative action is pending so it is not counted). ![]() Delaware, Maine, Oregon, Tennessee and Washington (2019). Idaho, Louisiana, Ohio (resolution), South Carolina, Utah and Wyoming (2020). The 19 states are Colorado and Kentucky (resolution) (2022), Alabama, Georgia, Minnesota, Mississippi and Montana (2021). Because federal law does not currently allow full-time DST, Congress would have to act before states could adopt changes. In the last five years, 19 states have enacted legislation or passed resolutions to provide for year-round daylight saving time, if Congress were to allow such a change, and in some cases, if surrounding states enact the same legislation. Since 2015, at least 450 bills and resolutions have been introduced in virtually every state, but none of significance passed until 2018, when Florida became the first state to enact legislation to permanently observe DST, pending amendment of federal law to permit such action. Almost all of the states have considered legislation over the last several years that would place the state permanently on either standard time or daylight saving time. State legislatures continue to grapple with the vexing and multifaceted state policy questions regarding the biannual changing of the clocks. They are turned back again to standard time on the first Sunday in November as DST ends. begins each year on the second Sunday in March when clocks are set forward by one hour. The daylight saving time (DST) period in the U.S. The federal Uniform Time Act allows the former option but not the latter. Inherent in the debate is whether to enact either permanent standard time or permanent daylight time. Much of the legislation would stop the disruption-causing, twice-yearly clock switching. From 1987 to 2006, the country observed DST for about 7 months each year.State legislatures have considered at least 450 bills and resolutions in recent years to establish year-round daylight saving time as soon as federal law allows it. The Uniform Time Act of 1966 aligned the switch dates across the USA for the first time.įollowing the 1973 oil embargo, the US Congress extended the DST period to 10 months in 1974 and 8 months in 1975, in an effort to save energy.Īfter the energy crisis was over in 1976, the DST schedule in the US was revised several times. This caused widespread confusion, especially in transport and broadcasting. Historically, there were no uniform rules for DST from 1945 to 1966. The law does not affect the rights of the states and territories that choose not to observe DST. The current schedule was introduced in 2007 and follows the Energy Policy Act of 2005.Īccording to section 110 of the act, the US Department of Transportation (DOT) governs the use of DST. United States has observed DST for 106 years between 19 (DST in at least one location).ĭaylight Saving Time (DST) in the USA starts on the second Sunday in March and ends on the first Sunday in November.United States first observed Daylight Saving Time in 1918.Daylight Saving Time History in United States US dependencies do not use Daylight Saving Time (DST). Daylight Saving Time in Dependencies of USA Dependency Most of Arizona and Hawaii don't use DST. (51 in total, 49 where all observe DST, 1 which doesn't observe DST, 1 with parts on DST)ĭST in Other Locations in USA (1 Location) Business Date to Date (exclude holidays)ĭST in States and Federal Districts in USA. ![]()
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