Source:
http://uselectionatlas.org/INFORMATION/ARTICLES/ElectionNight2004/pe2004elecnighttime.phpSome states have multiple poll closing times because of local time zone differences.
All times EST.
6:00 p.m. Indiana
Kentucky
7:00 p.m. Florida
Georgia
Indiana
Kentucky
New Hampshire
South Carolina
Vermont
Virginia
7:30 p.m.North Carolina
Ohio
West Virginia
8:00 p.m. Alabama
Connecticut
Delaware
D.C.
Florida
Illinois
Kansas
Maine
Maryland
Massachusetts
Michigan
Mississippi
Missouri
New Jersey
Oklahoma
Pennsylvania
Tennessee
Texas
8:30 p.m. Arkansas
9:00 p.m. Arizona
Colorado
Louisiana
Michigan
Minnesota
Nebraska
New Mexico
New York
Rhode Island
South Dakota
Texas
Wisconsin
Wyoming
10:00 p.m. Idaho
Iowa
Montana
Nevada
North Dakota
Oregon
Utah
11:00 p.m. California
Hawaii
Idaho
North Dakota
Oregon
Washington
12:00 a.m. Alaska
1:00 a.m. Alaska