Updated

Alaska Caucuses:
Convene: 4 p.m. Alaska time (four hours behind ET)
Close: 8 p.m. Alaska time

Georgia Primaries
Polls open: 7 a.m. ET
Polls close: 7 p.m. ET

Idaho Caucuses:
Convene: 7 p.m. ET
Close: TBD. Voting takes place in successive rounds. After each round, the candidate receiving the fewest votes and any candidate receiving fewer than 15 percent of the caucus vote are removed from the ballot. Voting continues until a single candidate receives greater than 50 percent of the vote or until a final vote is taken for the final two candidates.

Massachusetts Primary:
Open: 7 a.m. ET
Close: 8 p.m. ET

North Dakota Caucuses:
Convene: 5:30 a.m. CT/MT
Close: 8 p.m. CT/MT

Ohio Primary:
Open: 6:30 a.m. ET
Close: 7:30 p.m ET

Oklahoma Primary:
Open: 7 a.m. ET
Close: 8 p.m. ET

Tennessee Primary:
Open: 7 a.m. ET
Close: 8 p.m. ET

Vermont Primary:
Open: 7 a.m. ET
Close: 7 p.m. ET

Virginia Primary:
Open: 6:00 a.m. ET
Close: 7:00 p.m. ET