2016 presidential primary and caucus schedule(from Wikipedia) [View all]
https://en.wikipedia.org/wiki/Democratic_Party_presidential_primaries,_2016#Schedule_of_primaries_and_caucuses
February
Monday, February 1: Iowa caucus
Tuesday, February 9: New Hampshire
Saturday, February 20: South Carolina
Tuesday, February 23: Nevada caucus
March
Tuesday, March 1: Alabama; Arkansas; Colorado caucuses; Georgia; Massachusetts; Minnesota caucuses; North Carolina; Oklahoma; Tennessee; Texas; Vermont; Virginia;
Saturday, March 5: Louisiana
Tuesday, March 8: Mississippi; Michigan
Tuesday, March 15: Florida; Illinois; Missouri; Ohio[45]
Tuesday, March 22: Arizona; Utah caucuses [46]
Saturday, March 26: Washington caucuses;Alaska caucuses[47] Hawaii caucus[48]
April
Tuesday, April 5: Maryland; Washington, DC; Wisconsin
Tuesday, April 26: Connecticut; Delaware; Pennsylvania; Rhode Island
May
Tuesday, May 3: Indiana
Tuesday, May 10: Nebraska; West Virginia
Tuesday, May 17: Kentucky; Oregon
June
Sunday, June 5: Puerto Rico
Tuesday, June 7: California; Montana; New Jersey; New Mexico; South Dakota
(If you see any errors in this schedule, please post)