8 p.m. EST: Alabama, Connecticut, Delaware, Florida, Illinois, Maine, Maryland, Massachusetts, Mississippi, Missouri, New Hampshire, New Jersey, Oklahoma, Rhode Island, Tennessee, and Washington, D.C. 

In Pennsylvania, most polling sites will close at 8 p.m., but in three precincts they will stay open for an additional half hour “due to machine set-up issues” that delayed the opening of those polls this morning, according to Chester County officials. 

Read more:The 7 Key Governor Races to Watch in the Midterm Elections

8:30 p.m. EST: Arkansas.

9 p.m. EST: Arizona, Colorado, Iowa, Kansas, Louisiana, Michigan, Minnesota, Nebraska, New Mexico, New York, North Dakota, South Dakota, Texas, Wisconsin, and Wyoming.

10 p.m. EST: Montana, Nevada, and Utah.

11 p.m. EST: California, Idaho, Oregon, and Washington state.

MidnightEST: Hawaii.

1 a.m. EST: Alaska

After their respective polls close, states must verify and count ballots that were cast in various ways, including those made in person during the early voting period and on Election Day, mail-in ballots, and provisional ballots.