| *January 1 | New Year's Day | May 30 | Memorial Day |
| January 15 | Martin Luther King, Jr.'s, Birthday | *Last Monday in May | Memorial Day (observed) |
| Third Monday in January | Martin Luther King Jr.'s Birthday | June 3 | Jefferson Davis's Birthday (Southern states) |
| January 19 | Robert E. Lee's Birthday (Southern states) | June 14 | Flag Day |
| January 20 | Inauguration Day | Third Sunday in June | Father's Day |
| February 2 | Groundhog Day | *July 4 | Independence Day |
| February 12 | Lincoln's Birthday | *First Monday in September | Labor Day |
| February 14 | Valentine's Day | September 17 | Citizenship Day |
| February 22 | Washington's Birthday | Fourth Friday in September | Native American Day |
| Third Monday in February | Washington's Birthday (observed) | October 12 | Columbus Day |
| March 17 | St. Patrick's Day | *Second Monday in October | Columbus Day (observed) |
| March or April | Easter Sunday | October 24 | United Nations Day |
| April 1 | April Fools' Day | October 31 | Halloween |
| April 14 | Pan American Day | First Tuesday after the first Monday in November | Election Day |
| May 1 | May Day | *November 11 | Veterans' Day |
| Second Sunday in May | Mother's Day | *Fourth Thursday in November | Thanksgiving Day |
| Third Saturday in May | Armed Forces Day | *December 25 | Christmas Day |
* These are the officially designated national holidays