1990 Holidays and Events in Puerto Rico, Puerto Rico (USA Territory)
| Additional Information | Date | Name |
|---|---|---|
| 1/1/1990, Mon | New Year's Day | |
| 1/6/1990, Sat | Epiphany | |
| 1/8/1990, Mon | Hostos' Birthday | |
| 1/15/1990, Mon | Martin Luther King, Jr.'s Birthday | |
| 2/19/1990, Mon | President's Day | |
| 3/22/1990, Thu | Emancipation Day | |
| 4/8/1990, Sun | Palm Sunday | |
| 4/13/1990, Fri | Good Friday | |
| 4/15/1990, Sun | Easter | |
| 4/16/1990, Mon | De Diego's Birthday | |
| 5/13/1990, Sun | Mother's Day | |
| 5/28/1990, Mon | Memorial Day | |
| 6/17/1990, Sun | Father's Day | |
| 7/4/1990, Wed | Independence Day | |
| 7/25/1990, Wed | Constitution Day | |
| 7/27/1990, Fri | Barbosa's Birthday | |
| 9/3/1990, Mon | Labor Day / Santiago Iglesias Pantin's Birthday | |
| 10/12/1990, Fri | Columbus Day | |
| 11/11/1990, Sun | Veteran's Day | |
| 11/19/1990, Mon | Discovery of Puerto Rico | |
| 11/22/1990, Thu | Thanksgiving Day | |
| 11/23/1990, Fri | Thanksgiving Holiday | |
| 12/24/1990, Mon | Christmas Eve | |
| 12/25/1990, Tue | Christmas Day | |
| 12/31/1990, Mon | New Year's Eve |