To vote you must be:
Most polling places will be open from 7:00 a.m. to 8:00 p.m. Some township's (with population under 500) polling places may open at 10:00 a.m. Check with your town clerk for details. Some rural areas vote by mail in which case your ballot must arrive by the last mail on Election Day.
But I have to work...Minnesota law allows you to take time off from work to vote during the morning of the state primary and state general election. The idea is to encourage people to vote early in the day.
Minnesota Law allowing time off to vote: http://www.revisor.mn.gov/statutes/?id=204C.04weeblylink_new_window
VOTERS' BILL OF RIGHTS
For all state residents who meet federal voting eligibility requirements: