April 1990 Holidays
| Holidays April, 1990 | Week Day | Date |
| Palm Sunday | Sunday | April 8, 1990 |
| Good Friday | Friday | April 13, 1990 |
| Easter | Sunday | April 15, 1990 |
| Income Tax Day | Sunday | April 15, 1990 |
| Easter Monday | Monday | April 16, 1990 |
| Earth Day | Sunday | April 22, 1990 |
| Arbor Day | Friday | April 27, 1990 |