3645

The year 3645 will start on Sunday, January 1, and end on Sunday, December 31.

Calendar with holidays
Holidays:
 * New Year's Day: Sunday, January 1
 * Epiphany: Friday, January 6
 * Martin Luther King Jr. Day: Monday, January 16
 * Inauguration Day: Friday, January 20
 * Groundhog Day: Thursday, February 2
 * Super Bowl Sunday: Sunday, February 5
 * Mardi Gras: Tuesday, February 7
 * Ash Wednesday: Wednesday, February 8
 * Lincoln's Birthday: Sunday, February 12
 * Valentine's Day: Tuesday, February 14
 * Washington's Birthday: Monday, February 20
 * Daylight Saving Time Starts (clocks spring forward): Sunday, March 12 at 2:00 AM, which becomes 3:00 AM
 * Pi Day: Tuesday, March 14
 * Saint Patrick's Day: Friday, March 17
 * Palm Sunday: Sunday, March 19
 * Good Friday: Friday, March 24
 * Easter: Sunday, March 26
 * Cesar Chavez Day: Friday, March 31
 * April Fools' Day: Saturday, April 1
 * Tax Day: Tuesday, April 18
 * Earth Day: Saturday, April 22
 * Cinco de Mayo: Friday, May 5
 * Mother's Day: Sunday, May 14
 * Armed Forces Day: Saturday, May 20
 * Memorial Day: Monday, May 29
 * Flag Day: Wednesday, June 14
 * Father's Day: Sunday, June 18
 * Juneteenth: Monday, June 19
 * Independence Day: Tuesday, July 4
 * Labor Day: Monday, September 4
 * National Grandparents' Day: Sunday, September 10
 * Patriot Day: Monday, September 11
 * Constitution Day: Sunday, September 17
 * Columbus Day: Monday, October 9
 * Indigenous Peoples' Day: Monday, October 9
 * Sweetest Day: Saturday, October 21
 * National Trick or Treat Day: Saturday, October 28
 * Halloween: Tuesday, October 31
 * Daylight Saving Time Ends (clocks fall back): Sunday, November 5 at 2:00 AM, which becomes 1:00 AM
 * Election Day: Tuesday, November 7
 * Veterans Day: Saturday, November 11
 * Thanksgiving: Thursday, November 23
 * Black Friday: Friday, November 24
 * Small Business Saturday: Saturday, November 25
 * Cyber Monday: Monday, November 27
 * Giving Tuesday: Tuesday, November 28
 * Pearl Harbor Remembrance Day: Thursday, December 7
 * Christmas Eve: Sunday, December 24
 * Christmas: Monday, December 25
 * Kwanzaa: Tuesday, December 26, 3645, to Monday, January 1, 3646
 * New Year's Eve: Sunday, December 31