Click on the April holidays listed in blue for more details.
| Holidays | Date | Details |
|---|---|---|
| April Fools Day 2022 | Apr 1 - Friday | Observance |
| Ramadan Starts - 2022 | Apr 3 - Sunday | Muslim |
| Rama Navami 2022 | Apr 10 - Sunday | Hindu |
| Palm Sunday 2022 | Apr 10 - Sunday | Christian |
| National Library Workers Day 2022 | Apr 12 - Tuesday | Observance |
| Thomas Jefferson Birthday 2022 | Apr 13 - Wednesday | Observance |
| Maundy Thursday 2022 | Apr 14 - Thursday | Christian |
| Good Friday 2022 | Apr 15 - Friday | Christian |
| Tax Day 2022 | Apr 15 - Friday | Observance |
| Passover Starts - 2022 | Apr 16 - Saturday | Jewish |
| Holy Saturday 2022 | Apr 16 - Saturday | Christian |
| Easter 2022 | Apr 17 - Sunday | Christian |
| Easter Monday 2022 | Apr 18 - Monday | Christian |
| Orthodox Good Friday 2022 | Apr 22 - Friday | Orthodox |
| Earth Day 2022 | Apr 22 - Friday | Observance |
| Passover Ends - 2022 | Apr 23 - Saturday | Jewish |
| Orthodox Easter 2022 | Apr 24 - Sunday | Orthodox |
| Administrative Professionals Day 2022 | Apr 27 - Wednesday | Observance |
| Yom Hashoah 2022 | Apr 28 - Thursday | Jewish |
| Take our Daughters and Sons to Work Day 2022 | Apr 28 - Thursday | Observance |
| Laylat al Qadr 2022 | Apr 29 - Friday | Muslim |
| Arbor Day 2022 | Apr 29 - Friday | Observance |
