When do polls open (and close) in every state? We built countdown timers to tell you.

So let's say you are working on a race in, I don't know, South Dakota. How many hours until polls open, you may wonder. And then, a second later: And how many until polls close?

Hey, guess what? Here you go, from your friends at The Fix, America's most time-obsessive politics blog. We would recommend assigning one staff person per campaign to sit and watch this timer all day everyday, calling out the remaining times on demand and/or on the hour. Like a time and temperature thing, but without the temperature. Is this a good use of campaign resources? Yes.