1980 Holidays
| Holidays 1980 | Week Day | Date |
| New Year's Day | Tuesday | January 1, 1980 |
| Epiphany | Sunday | January 6, 1980 |
| Martin Luther King Jr's Day | Monday | January 21, 1980 |
| Ground Hog Day | Saturday | February 2, 1980 |
| Valentine's Day | Thursday | February 14, 1980 |
| President's Day | Monday | February 18, 1980 |
| Ash Wednesday | Wednesday | February 20, 1980 |
| Saint Patrick's Day | Monday | March 17, 1980 |
| Palm Sunday | Sunday | March 30, 1980 |
| Good Friday | Friday | April 4, 1980 |
| Easter | Sunday | April 6, 1980 |
| Easter Monday | Monday | April 7, 1980 |
| Income Tax Day | Tuesday | April 15, 1980 |
| Earth Day | Tuesday | April 22, 1980 |
| Arbor Day | Friday | April 25, 1980 |
| Cinco de Mayo | Monday | May 5, 1980 |
| Mother's Day | Sunday | May 11, 1980 |
| National Maritime Day | Thursday | May 22, 1980 |
| National Missing Children's Day | Sunday | May 25, 1980 |
| Memorial Day | Monday | May 26, 1980 |
| D-Day | Friday | June 6, 1980 |
| Flag Day | Saturday | June 14, 1980 |
| Father's Day | Sunday | June 15, 1980 |
| Independence Day | Friday | July 4, 1980 |
| Labor Day | Monday | September 1, 1980 |
| Grandparent's Day | Sunday | September 7, 1980 |
| Patriot Day | Thursday | September 11, 1980 |
| Columbus Day | Monday | October 13, 1980 |
| Halloween | Friday | October 31, 1980 |
| All Saints' Day | Saturday | November 1, 1980 |
| All Souls' Day | Sunday | November 2, 1980 |
| Election Day | Tuesday | November 4, 1980 |
| Veteran's Day | Tuesday | November 11, 1980 |
| Thanksgiving Day | Thursday | November 27, 1980 |
| Black Friday | Friday | November 28, 1980 |
| Cyber Monday | Monday | December 1, 1980 |
| Pearl Harbor Day | Sunday | December 7, 1980 |
| Feast of the Immaculate Conception | Monday | December 8, 1980 |
| Christmas Eve | Wednesday | December 24, 1980 |
| Christmas Day | Thursday | December 25, 1980 |
| New Year's Eve | Wednesday | December 31, 1980 |