Jan. 3: Iowa Caucus.
Jan. 10: New Hampshire Primary.
Jan. 21: South Carolina Primary.
Jan. 26: California ballot measure qualification deadline for June election.
Jan. 31: Florida Primary.
Feb. 4: Nevada Caucus.
Feb. 4-11: Maine Caucus.
Feb. 7: Missouri Primary (does not count toward GOP delegates). Caucuses in Colorado and Minnesota.
Feb. 10-12: California Democratic Convention, San Diego.
Feb. 13-March 9: Period for filing the Declaration of Candidacy and nomination papers for California U.S. Senate, Congressional and Assembly candidates.
Feb. 24-26: California Republican Convention, San Francisco Airport.
Feb. 28: Primaries in Arizona and Michigan.
March 3: Washington Caucus.
March 5: Republican Presidential Primary Debate, Ronald Reagan Library, Simi Valley.
March 6: Super Tuesday. Primaries in Georgia, Massachusetts, Ohio, Oklahoma, Tennessee, Vermont and Virginia. Caucuses in Alaska, Idaho and North Dakota.
March 6-10: Wyoming Caucus.
March 13: Primaries in Alabama and Mississippi. Hawaii Caucus.
March 17: Missouri Caucus (does count toward GOP delegates).
March 20: Illinois Primary.
March 24: Louisiana Primary.
April 3: Primaries in the District of Columbia, Maryland, Wisconsin and Texas.
April 24: Primaries in Connecticut, Delaware, New York, Pennsylvania and Rhode Island.
April 26: California counties begin mailing out sample ballots to voters.
May 8: Primaries in Indiana, North Carolina and West Virginia.
May 15: Primaries in Nebraska and Oregon.
May 21: Last day before the Presidential Primary Election for any voter to notify the county elections official of a change of address within the county.
May 22: Primaries in Arkansas and Kentucky.
May 29: Last day for new residents in California to register to vote prior to June Election Day.
May 29: Last day for the county elections official to receive any California voters application for a vote-by-mail ballot and to issue such ballot for the June Primary.
June 5: California Presidential, Congressional and State Primary. Primaries in Montana, New Jersey, New Mexico and South Dakota.
June 26: Utah Primary.
June 28: California ballot measure qualification deadline for November election.
Aug. 27-30: Republican National Convention, Tampa, Fla.
Sept. 3-6: Democratic National Convention, Charlotte, N.C.
Oct. 3: Presidential Debate, University of Denver.
Oct. 11: Vice Presidential Debate, Centre College in Danville, Ky.
Oct. 16: Presidential Debate, Hofstra University in Hempstead, N.Y.
Oct. 22: Presidential Debate, Lynn University in Boca Raton, Fla.
Oct. 30: Last day for a new residents in California to register to vote prior to November Election Day.
Oct. 30: Last day for the county elections official to receive any California voter's application for a vote-by-mail ballot and to issue such ballot for the November General Election.
Nov. 6: General Election.
Sacramento County Elections
Placer County Elections
El Dorado County Elections
Yolo County Elections
California Secretary of State Elections and Voter Information
California League of Women Voters
California Voter Foundation
California Republican Party
California Democratic Party
National Republican Party
Romney-Ryan campaign web site
National Democratic Party
Obama-Biden campaign website