8 March: Michigan and Mississippi primary (Both); Hawaii caucus (Republicans); Idaho primary (Republicans); Democrats abroad primary
12 March: District of Columbia caucus (Republicans)
15 March: Florida, Illinois, Missouri, North Carolina and Ohio primaries (Both)
22 March: Arizona and Utah primaries (Both); Idaho caucus (Democrats)
26 March: Alaska, Hawaii and Washington caucuses (Democrats)
5 April: Wisconsin primary (Both)
9 April: Wyoming caucus (Democrats)
19 April: New York primary (Both)
26 April: Connecticut, Delaware, Maryland, Pennsylvania and Rhode Island primaries (Both)
3 May: Indiana primary (Both)
10 May: West Virginia primary (Both); Nebraska primary (Republicans)
My primary is April 26 (PA) and this is one election cycle where the contest is still going on so late in the primary season. Usually we just rubber stamp the establishment pick.