What Is Eastern Daylight Time?
It covers all or parts of 23 states in the US and three provinces or territories in Canada. It is also used in the Caribbean.
EDT or EST?
Eastern Daylight Time (EDT) is a North American time zone in use from the second Sunday in March to the first Sunday in November during Daylight Saving Time (DST). Eastern Standard Time (EST) is used during the remainder of the year.
EDT Is the Eastern Time Zone
In everyday usage, EDT is often referred to as Eastern Time (ET) or the Eastern Time Zone. This can add a bit of confusion as the term Eastern Time does not differentiate between standard time and Daylight Saving Time, so Eastern Time switches between EST and EDT in areas that use DST during part of the year.
Converting Eastern Time to Other US Time Zones
- Eastern Daylight Time (EDT) is 1 hour ahead of Central Daylight Time (CDT).
To convert EDT to CDT, you have to subtract one hour.
- Eastern Daylight Time (EDT) is 2 hours ahead of Mountain Daylight Time (MSDT).
To convert EDT to MDT, you have to subtract two hours.
- Eastern Daylight Time (EDT) is 3 hours ahead of Pacific Daylight Time (PDT).
To convert EDT to PDT, you have to subtract three hours.
Where and When is EDT Observed?
U.S. states using EDT in the summer and EST in the winter:
- District of Columbia
- Florida - Southern/Eastern parts
- Indiana - all except for these north-western counties near Chicago (Lake, Porter, La Porte, Newton, Jasper, Starke) and these south-western counties in Indiana near Evansville
Gibson, Posey, Vanderburgh, Warrick, Perry
- Kentucky - eastern parts
counties of 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, Hancock, Hansock, Hardin, Harlan, Harrison, Henry, Jackson, Jefferson, Jessamine, Johnson, Kenton, Knott, Knox, Larue, Laurel, Lawrence, Lee, Leslie, Letcher, Lewis, Lincoln, Madison, Magoffin, Marion, Martin, Mason, McCreary, 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, Woodford
- Michigan - most except these western counties
- New Hampshire
- New Jersey
- New York
- North Carolina
- Rhode Island
- South Carolina
- Tennessee - eastern counties
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
- West Virginia
Canadian provinces/territories using EDT in the summer and EST in the winter:
Other Eastern Daylight Time Zones
Time zones can have similar names and abbreviations but have a different UTC offset:
Other Time Zones in UTC -4
Some time zones exist that have the same offset as EDT, but can be found under a different name: