EST – Eastern Standard Time / Eastern Time (Standard Time)

U.S. states using EST in the winter and EDT in the summer:

• Connecticut
• Delaware
• District of Columbia
• Florida - Southern/Eastern parts Show

  except Bay, Calhoun, Escambia, Holmes, Jackson, Okaloosa, Santa Rosa, Walton and Washington counties and norther Gulf county - look in CST/CDT

• Georgia
• 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 Show

  Gibson, Posey, Vanderburgh, Warrick, Perry

• Kentucky - eastern parts Show

  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

• Maine
• Maryland
• Massachusetts
• Michigan - most except these western counties Show

  Dickinson, Gogebic, Iron, and Menominee - which are on CST/CDT

• New Hampshire
• New Jersey
• New York
• North Carolina
• Ohio
• Pennsylvania
• Rhode Island
• South Carolina
• Tennessee - eastern counties Show

  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/territories using EST in the winter and EDT in the summer:

• Nunavut - most of it Show

  except Kugluktuk, Cambridge Bay - CST/CDT and Southampton Island (Coral Harbor) EST all year

• Ontario - most parts east of 90 West and two communities west of 90 West Show

  Shebandowan, Upsala

• Quebec - most of it Show

  except East of 63 West, Blanc Sablon which observe AST all year

Canadian provinces/territories using EST all year:

• Nunavut - Southampton Island only (Coral Harbour)

Mexican states using EST all year:

• Quintana Roo

Caribbean countries using EST in the winter and EDT in the summer:

• Bahamas
• Haiti

Caribbean countries using EST all year:

• Cayman Islands
• Jamaica

Central American countries using EST all year:

• Panama