Click on the April holidays listed in blue for more details.
| Holidays | Date | Details |
|---|---|---|
| April Fools Day 2023 | Apr 1 - Saturday | Observance |
| Palm Sunday 2023 | Apr 2 - Sunday | Christian |
| Passover Starts - 2023 | Apr 6 - Thursday | Jewish |
| Maundy Thursday 2023 | Apr 6 - Thursday | Christian |
| Good Friday 2023 | Apr 7 - Friday | Christian |
| Holy Saturday 2023 | Apr 8 - Saturday | Christian |
| Easter 2023 | Apr 9 - Sunday | Christian |
| Easter Monday 2023 | Apr 10 - Monday | Christian |
| National Library Workers Day 2023 | Apr 11 - Tuesday | Observance |
| Passover Ends - 2023 | Apr 13 - Thursday | Jewish |
| Thomas Jefferson Birthday 2023 | Apr 13 - Thursday | Observance |
| Orthodox Good Friday 2023 | Apr 14 - Friday | Orthodox |
| Tax Day 2023 | Apr 15 - Saturday | Observance |
| Orthodox Easter 2023 | Apr 16 - Sunday | Orthodox |
| Laylat al Qadr 2023 | Apr 18 - Tuesday | Muslim |
| Yom Hashoah 2023 | Apr 18 - Tuesday | Jewish |
| Earth Day 2023 | Apr 22 - Saturday | Observance |
| Eid al Fitr 2023 | Apr 22 - Saturday | Muslim |
| Administrative Professionals Day 2023 | Apr 26 - Wednesday | Observance |
| Take our Daughters and Sons to Work Day 2023 | Apr 27 - Thursday | Observance |
| Arbor Day 2023 | Apr 28 - Friday | Observance |
