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Eastern Time Zone

Time zone in North America From Wikipedia, the free encyclopedia

Eastern Time Zone
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This article is about time zone in the Americas. For the time zone in Australia, see Australian Eastern Time.
"New York Time" redirects here. For the newspaper, see The New York Times.

The Eastern Time Zone is a time zone encompassing part or all of 23 states in the eastern part of the United States, parts of eastern Canada, and the state of Quintana Roo in Mexico.

Quick Facts UTC offset, EST ...

  • Eastern Standard Time (EST) is five hours behind Coordinated Universal Time (UTC−05:00) and is observed during late autumn/winter in the United States and Canada.
  • Eastern Daylight Time (EDT) is four hours behind Coordinated Universal Time (UTC−04:00) and is observed during spring/summer/early autumn in the United States and Canada.

On the second Sunday in March, at 2:00 a.m. EST, clocks are advanced to 3:00 a.m. EDT, creating a 23-hour day. On the first Sunday in November, at 2:00 a.m. EDT, clocks are moved back to 1:00 a.m. EST, which results in a 25-hour day.

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History

The boundaries of the Eastern Time Zone have moved westward since the Interstate Commerce Commission (ICC) took over time-zone management from railroads in 1938. The easternmost and northernmost counties in Kentucky were added to the zone in the 1940s, and in 1961 most of the state went Eastern. In 2000, Wayne County, on the Tennessee border, switched from Central to Eastern Time.[1] Within the United States, the Eastern Time Zone is the most populous region, with nearly half of the country's population.

In March 2019, the Florida Legislature passed a bill requesting authorization from Congress for year-round daylight saving time, which would effectively put Florida on Eastern Daylight Time year-round (except for west of the Apalachicola River, which would be on Central Daylight Time year-round).[2] A similar bill was proposed for the Canadian province of Ontario by its legislative assembly in late 2020, which would have a similar effect on the province if passed.[3]

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Daylight saving time

For those in the United States, daylight saving time for the Eastern Time Zone was introduced by the Uniform Time Act of 1966, which specified that daylight saving time would run from the last Sunday of April until the last Sunday in October.[4] The act was amended to make the first Sunday in April the beginning of daylight saving time beginning in 1987.[4]

Later, the Energy Policy Act of 2005 extended daylight saving time in the United States, beginning in 2007. Since then, local times change at 2:00 a.m. EST to 3:00 a.m. EDT on the second Sunday in March, and return from 2:00 a.m. EDT to 1:00 a.m. EST on the first Sunday in November.[4]

In Canada, daylight saving time begins and ends on the same days and at the same times as it does in the United States.[5][6]

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Canada

Main article: Time in Canada

In Canada, the following provinces and territories are part of the Eastern Time Zone:[7] Within Canada, as with the United States, the Eastern Time Zone is the most populous time zone.

Most of Canada observes daylight saving time synchronously with the United States, with the exception of Saskatchewan, Yukon,[8] and several other very localized areas. Southampton Island in Nunavut uses Eastern Standard Time throughout the year.[7]

United States

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Main article: Time in the United States

The boundary between time zones is set forth in Title 49 of the Code of Federal Regulations with the boundary between the Eastern and Central Time Zones being specifically detailed in Part 71.[9]

Washington, D.C. and 17 states are located entirely within the Eastern Time Zone. They are:

Five states are divided between the Eastern Time Zone and the Central Time Zone. The following locations observe Eastern Time:

Additionally, Phenix City, Alabama, and several nearby communities in Russell County, Alabama, unofficially observe Eastern Time.[11] This is due to their close proximity to Columbus, Georgia, which is on Eastern Time. In addition Smiths Station in Lee County along with Valley and Lanett in Chambers County observe Eastern Time.[12]

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Mexico

Main article: Time in Mexico
  • Quintana Roo: This is the only Mexican state to observe EST. It moved from Central Time to Eastern Time after a successful lobbying effort by tourism interests.[13] Quintana Roo does not observe daylight saving time.

Caribbean islands

The Bahamas and Haiti officially observe both Eastern Standard Time during the winter months and Eastern Daylight Time during the summer months. Cuba generally follows the U.S. with Eastern Standard Time in the winter, and Eastern Daylight Time in the summer, but the exact day of change varies year to year. The Cayman Islands and Jamaica use Eastern Standard Time year-round.[citation needed]

Turks and Caicos Islands

The Turks and Caicos Islands followed Eastern Time with daylight saving until 2015, when the territory switched to the Atlantic Time Zone. The Turks and Caicos Islands switched back to the pre-2015 schedule in March 2018.[14] A 2017 consultation paper highlighted the advantage for business and tourism of being in the same time zone as the eastern United States as an important factor in the decision.[15]

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Notable locations using Eastern Time

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See also

References

External links

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