2018 Congressional Primary Calendar (Poll Closing Times - Eastern Time):
Texas: Mar 6 (8:00 PM | 9:00 PM)
Illinois: March 20 (8:00 PM)
Indiana: May 8 (6:00 PM | 7:00 PM)
North Carolina: May 8 (7:30 PM)
Ohio: May 8 (7:30 PM)
West Virginia: May 8 (7:30 PM)
Idaho: May 15 (10:00 PM | 11:00 PM)
Nebraska: May 15 (9:00 PM)
Oregon: May 15 (10:00 PM | 11:00 PM)
Pennsylvania: May 15 (8:00 PM)
Arkansas: May 22 (8:30 PM)
Georgia: May 22 (7:00 PM)
Kentucky: May 22 (6:00 PM | 7:00 PM)
Texas (Runoff): May 22 (8:00 PM | 9:00 PM)
Alabama: June 5 (8:00 PM)
California: June 5 (11:00 PM)
Iowa: June 5 (10:00 PM)
Mississippi: June 5 (8:00 PM)
Montana: June 5 (10:00 PM)
New Jersey: June 5 (8:00 PM)
New Mexico: June 5 (9:00 PM)
South Dakota: June 5 (8:00 PM | 9:00 PM)
Maine: June 12 (8:00 PM)
Nevada: June 12 (10:00 PM)
North Dakota: June 12 (10:00 PM | 11:00 PM)
South Carolina: June 12 (7:00 PM)
Virginia: June 12 (7:00 PM)
Arkansas (Runoff): June 19 (8:30 PM)
District of Columbia: June 19 (8:00 PM)
Colorado: June 26 (9:00 PM)
Maryland: June 26 (8:00 PM)
Mississippi (Runoff): June 26 (8:00 PM)
New York: June 26 (9:00 PM)
Oklahoma: June 26 (8:00 PM)
South Carolina (Runoff): June 26 (7:00 PM)
Utah: June 26 (10:00 PM)
Alabama (Runoff): July 17 (8:00 PM)
Georgia (Runoff): July 24 (7:00 PM)
Tennessee: Aug. 2 (Thursday) (8:00 PM)
Kansas: Aug. 7 (8:00 | 9:00 PM)
Michigan: Aug. 7 (8:00 | 9:00 PM)
Missouri: Aug. 7 (8:00 PM)
Washington: Aug. 7 (11:00 PM)
Hawaii: Aug. 11 (Saturday) (12:00 AM)
Connecticut: Aug. 14 (8:00 PM)
Minnesota: Aug. 14 (9:00 PM)
Vermont: Aug. 14 (7:00 PM)
Wisconsin: Aug. 14 (9:00 PM)
Alaska: Aug. 21 (12:00 AM | 1:00 AM)
Wyoming: Aug. 21 (9:00 PM)
Arizona: Aug. 28 (10:00 PM)
Florida: Aug. 28 (7:00 | 8:00 PM)
Oklahoma (Runoff): Aug. 28 (8:00 PM)
Massachusetts: Sept. 4 (8:00 PM)
Delaware: Sept. 6 (8:00 PM)
New Hampshire: Sept. 11 (8:00 PM)
Rhode Island: Sept. 12 (Wednesday) (8:00 PM)
Louisiana: Nov. 6 (9:00 PM)
Louisiana (Runoff): Dec. 8 (9:00 PM)
Link To New York Times Results Page