1972

The year 1972 started on Saturday, January 1, and ended on Sunday, December 31. It was a leap year. Also, it was the year that leap seconds were introduced, and the only one to have had two such seconds inserted (on Friday, June 30, and Sunday, December 31).

Calendar with holidays
Holidays:
 * New Year's Day: Saturday, January 1
 * Epiphany: Thursday, January 6
 * Super Bowl Sunday: Sunday, January 16
 * Groundhog Day: Wednesday, February 2
 * Lincoln's Birthday: Saturday, February 12
 * Valentine's Day: Monday, February 14
 * Mardi Gras: Tuesday, February 15
 * Ash Wednesday: Wednesday, February 16
 * Washington's Birthday: Monday, February 21
 * Saint Patrick's Day: Friday, March 17
 * Palm Sunday: Sunday, March 26
 * Good Friday: Friday, March 31
 * April Fools' Day: Saturday, April 1
 * Easter: Sunday, April 2
 * Earth Day: Saturday, April 22
 * DST Start (clocks spring forward): Sunday, April 30 at 2:00 AM, which becomes 3:00 AM
 * 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
 * Citizenship Day: Sunday, September 17
 * Columbus Day: Monday, October 9
 * Sweetest Day: Saturday, October 21
 * Veterans Day: Monday, October 23
 * DST End (clocks fall back): Sunday, October 29 at 2:00 AM, which becomes 1:00 AM
 * Halloween: Tuesday, October 31
 * Election Day: Tuesday, November 7
 * Thanksgiving: Thursday, November 23
 * Pearl Harbor Remembrance Day: Thursday, December 7
 * Christmas Eve: Sunday, December 24
 * Christmas: Monday, December 25
 * Kwanzaa: Tuesday, December 26, 1972, to Monday, January 1, 1973
 * New Year's Eve: Sunday, December 31