This is what the primaries dates could be, according to thestate.com, these dates are subject to change:

January 5: Iowa caucuses
January 8: New Hampshire primary
January 12: Nevada caucuses
January 15 Michigan primaries
January 19: South Carolina primaries
January 29: Florida primaries

These primary dates would be for both parties, and for Michigan and Florida, the Democratic National Committee said the results would not count toward awarding delegates, which is the process used in choosing a nominee. For the rest of the states, you can keep track of the presidential primary election or caucuses dates here