Following are the dates of this year's political party primaries in each state. For Washington Post coverage of a primary, click on the calendar date.
• Italics denotes a state's runoff when applicable.

MARCH Sun   3 10 17 24 31 Mon   4 11 18 25   Tues   5 12 19 26   Wed   6 13 20 27   Thu   7 14 21 28   Fri 1 8 15 22 29   Sat 2 9 16 23 30		APRIL Sun   7 14 21 28   Mon 1 8 15 22 29   Tue 2 9 16 23 30   Wed 3 10 17 24     Thu 4 11 18 25     Fri 5 12 19 26     Sat 6 13 20 27
Mar 5 – California Mar 12 – Texas Mar 19 – Illinois		Apr 9 – Texas
MAY Sun   5 12 19 26   Mon   6 13 20 27   Tues   7 14 21 28   Wed   6 13 20 27   Thu 1 8 15 22 29   Fri 2 9 16 23 30   Sat 3 10 17 24 31		JUNE Sun   2 9 16 23 30 Mon   3 10 17 24   Tue   4 11 18 25   Wed   5 12 19 26   Thu   6 13 20 27   Fri   7 14 21 28   Sat 1 8 15 22 29
May 7 – Indiana, Ohio May 14 – Nebraska, West Virginia May 21 – Arkansas, Oregon, Pennsylvania May 28 – Idaho, Kentucky		Jun 4 – Alabama, Iowa, Mississippi, Montana, N. Jersey, N. Mexico, S. Dakota Jun 11 – Maine, N. Dakota, S. Carolina, Virginia; Arkansas Jun 25 – Utah; Alabama, Mississippi, S. Carolina
AUGUST Sun   4 11 18 25   Mon   5 12 19 26   Tues   6 13 20 27   Wed   7 14 21 28   Thu 1 8 15 22 29   Fri 2 9 16 23 30   Sat 3 10 17 24 31		SEPTEMBER Sun 1 8 15 22 29   Mon 2 9 16 23 30   Tue 3 10 17 24     Wed 4 11 18 25     Thu 5 12 19 26     Fri 6 13 20 27     Sat 7 14 21 28
Aug 1 – Tennessee Aug 6 – Kansas, Michigan, Missouri Aug 13 – Colorado Aug 20 – Georgia, Wyoming Aug 27 – Alaska, Oklahoma		Sep 3 – Nevada Sep 7 – Delaware Sep 10 – Arizona, Connecticut, Florida, Maryland, Minnesota, N. Carolina, N. Hampshire, N. York, Rhode Island, Vermont, Wisconsin; Georgia Sep 17 – Massachusetts, Washington; Oklahoma Sep 21 – Hawaii

There are no primaries in July.
Louisiana's primary is Nov. 7.