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Eastern Daylight Time (EDT)

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EDT time now

08:43:45
Sun, 6 Jul 2025
UTC Offset: UTC -4

Eastern Daylight Time (EDT) operates at UTC−4 and is the daylight saving counterpart to Eastern Standard Time (EST, UTC−5). Also simply known as "Eastern Time," EDT is observed from early spring through early fall across the eastern United States, eastern Canada, and parts of the Caribbean. By advancing clocks one hour forward, EDT helps extend evening daylight and improve seasonal scheduling for a wide range of activities.

Importance and Global Use of EDT

EDT is critical for synchronizing economic, governmental, and transportation systems during the summer months across major cities such as New York, Toronto, Washington D.C., and Atlanta. The time shift supports industries like finance, media, tourism, and trade by aligning working hours with longer periods of daylight, encouraging more commerce and social activity while helping to save energy.

Internationally, EDT improves coordination with Europe, Latin America, and other trading partners by maintaining predictable time relationships. Its consistent daylight saving practices help global businesses, airlines, and digital services plan real-time interactions effectively, supporting smooth operations across international time zones and cross-border collaborations.

Where and When EDT is used worldwide

North America

US states using EDT during summer and EST during winter:

  • Alabama - Phenix City only InfoRest of Alabama follow CST/CDT time zones.
  • Connecticut
  • Delaware
  • District of Columbia
  • Florida except northwestern counties InfoBay, Calhoun, Escambia, Holmes, Jackson, Okaloosa, Santa Rosa, Walton, Washington, and northern part of Gulf counties in Florida follow CST/CDT time zones.
  • Georgia
  • Indiana - all except 12 counties InfoNorthwestern counties near Chicago (Jasper, Lake, LaPorte, Newton, Porter, and Starke) and southwestern counties near Evansville (Gibson, Perry, Posey, Spencer, Vanderburgh, and Warrick) follow CST/CDT time zones.
  • Kentucky - eastern half counties InfoEastern half counties are: Anderson, Bath, Bell, Boone, Bourbon, Boyd, Boyle, Bracken, Breathitt, Bullitt, Campbell, Carroll, Carter, Casey, Clark, Clay, Elliott, Estill, Fayette, Fleming, Floyd, Franklin, Gallatin, Garrard, Grant, Greenup, Hardin, Harlan, Harrison, Henry, Jackson, Jefferson, Jessamine, Johnson, Kenton, Knott, Knox, Larue, Laurel, Lawrence, Lee, Leslie, Letcher, Lewis, Lincoln, McCreary, Madison, Magoffin, Marion, Martin, Mason, Meade, Menifee, Mercer, Montgomery, Morgan, Nelson, Nicholas, Oldham, Owen, Owsley, Pendleton, Perry, Pike, Powell, Pulaski, Robertson, Rockcastle, Rowan, Scott, Shelby, Spencer, Taylor, Trimble, Washington, Wayne, Whitley, Wolfe, and Woodford.
  • Maine
  • Maryland
  • Massachusetts
  • Michigan - all except 4 counties InfoDickinson, Gogebic, Iron, and Menominee follow CST/CDT time zones.
  • New Hampshire
  • New Jersey
  • New York
  • North Carolina
  • Ohio
  • Pennsylvania
  • Rhode Island
  • South Carolina
  • Tennessee - eastern counties InfoEastern counties are: Anderson, Blount, Bradley, Campbell, Carter, Claiborne, Cocke, Grainger, Greene, Hamblen, Hamilton, Hancock, Hawkins, Jefferson, Johnson, Knox, Loudon, McMinn, Meigs, Monroe, Morgan, Polk, Rhea, Roane, Scott, Sevier, Sullivan, Unicoi, Union, and Washington
  • Vermont
  • Virginia
  • West Virginia

Canadian provinces and territories using EDT during summer and EST during winter:

  • Nunavut - east of 85° West, and all communities in the Qikiqtaaluk Region except Resolute
  • Ontario - most part of east of 90° West and two communities in west of 90° West Infoeast of 90° West (except the Big Trout Lake area) and west of 90° West: Shebandowan and Upsala areas
  • Quebec - most of the province InfoExcept areas east of 63°W longitude follows AST all year

Caribbean

Caribbean countries and territories using EDT during summer and EST during winter:

  • Bahamas
  • Haiti
  • Turks and Caicos Islands

Other Time Zones in UTC -4

Other time zones share the same offset as Eastern Daylight Time (EDT), but are known by different names. While their clocks align, they may represent different regions or countries based on local time zone definitions.

Time Zones Around the World by Region

Complete Time Zone Abbreviations List
Time Zone Converter| Clock Widget| Time Zones
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