Voting is expected to take place throughout the state from 7:00 a.m. until 8:00 p.m. in the parts of the state in the Eastern Time Zone , and from 8:00 a.m. to 7:00 p.m. in parts of the state in the Central Time Zone . Polls close simultaneously throughout the state , though specific opening times are set by each county , and can open as late as 9:00 a.m. in some parts of the state . In the open primary , candidates must meet a threshold of 15 percent at the congressional district or statewide level in order to be considered viable . The 64 pledged delegates to the 2020 Democratic National Convention will be allocated proportionally on the basis of the results of the primary . Of the 64 pledged delegates , between 3 and 7 are allocated to each of the state 's 9 congressional districts and another 8 are allocated to party leaders and elected officials ( PLEO delegates ) , in addition to 14 at-large pledged delegates . Bonus delegates will be allocated as Tennessee shares a primary date with numerous other states on Super Tuesday ; these numbers do not yet account for these delegates
2020 Democratic National Convention
2020 Democratic National Convention
2020 Tennessee Democratic primary