The Cayman Islands and Jamaica use Eastern Standard Time year-round. 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 Bahamas and Haiti officially observe both Eastern Standard Time during the winter months and Eastern Daylight Time during the summer months. Quintana Roo does not observe daylight saving time. It moved from Central Time to Eastern Time after a successful lobbying effort by tourism interests. Quintana Roo: This is the only Mexican state to observe EST.This is due to their close proximity to Columbus, Georgia, which is on Eastern Time. Tennessee: All of East Tennessee including the major cities of Chattanooga and Knoxville and the town of Kingsport, with the exception of Bledsoe, Cumberland, and Marion counties Īdditionally, Phenix City, Alabama, and several nearby communities in Russell County, Alabama, unofficially observe Eastern Time.Michigan: The entire state except for the four Upper Peninsula counties that border Wisconsin: Gogebic, Iron, Dickinson, and Menominee.Kentucky: The eastern portion of the state, including its three largest metropolitan areas: Louisville, Lexington, and Northern Kentucky.Indiana: The entire state except for northwest Gary area and southwest Evansville area.Florida: Big Bend regions east of the Apalachicola River and portions of Gulf County south of the Intracoastal Waterway.The following locations observe Eastern Time: Canada įive states are divided between the Eastern Time Zone and the Central Time Zone. In Canada, daylight saving time begins and ends on the same days and at the same times as it does in the United States. EDT on the second Sunday in March, and return from 2:00 a.m. Since then, local times change at 2:00 a.m. Later, the Energy Policy Act of 2005 extended daylight saving time in the United States, beginning in 2007. The act was amended to make the first Sunday in April the beginning of daylight saving time beginning in 1987. Daylight saving time įor 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. 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. 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 Atlantic Standard Time year-round (except for west of the Apalachicola River, which would be on Eastern Standard Time year-round). Within the United States, the Eastern Time Zone is the most populous region, with nearly half of the country's population. In 2000, Wayne County, on the Tennessee border, switched from Central to Eastern Time. The easternmost and northernmost counties in Kentucky were added to the zone in the 1940s, and in 1961 most of the state went Eastern. 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. Southern parts of the zone in Panama and the Caribbean, however, do not observe daylight saving time. EST, which results in one hour being duplicated. On the first Sunday in November, at 2:00 a.m. On the second Sunday in March, at 2:00 a.m. Eastern Daylight Time ( EDT), when observing daylight saving time (spring/summer), are four hours behind Coordinated Universal Time ( UTC−04:00).

Eastern Standard Time ( EST), when observing standard time (autumn/winter), are five hours behind Coordinated Universal Time ( UTC−05:00).The Eastern Time Zone ( ET) 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. DST is observed in parts of this time zone.

Eastern time zone now