Explained: Election night agenda: When polls close and when to expect results

Polls close at different times across states, from 6 p.m. in parts of Indiana and Kentucky to 1 a.m. in the Aleutian Islands.

Eastern Standard Time

The time zone used for all times listed in the article's poll-closing schedule.

Postmarked

A mail ballot stamped by the postal service on or before Election Day, which can still be counted if received by a later deadline.

Halfway mark

The point at which 50% of a state's total votes have been counted, used as a benchmark for counting speed.

Competitive congressional district

A U.S. House district where the race is closely contested between parties.

Gubernatorial race

An election for the office of state governor.