Here’s what you need to know about the May 4 primary.

It's Election Day on Tuesday for voters in Cincinnati and a few school districts and municipalities in the surrounding suburbs. 

We'll learn which two of the six Cincinnati mayoral candidates will move on to the general election and whether voters will pass the controversial Issue 3, a charter amendment that would require Cincinnati to spend $50 million a year on affordable housing. 

Here's what you need to know:

When are polls open?

6:30 a.m. to 7:30 p.m.

What do you need to bring?

Identification. Acceptable forms of ID include a driver's license, a state or federal government photo ID with name and address, a concealed carry permit. You can also bring in a document dated in the past year with your name and current address. These documents include a utility bill, bank statement, government check, payroll check, government document and military ID issued by the Department of Defense.