Click on the April holidays listed in blue for more details.
| Holidays | Date | Details |
|---|---|---|
| April Fools Day 2020 | Apr 1 - Wednesday | Observance |
| Rama Navami 2020 | Apr 2 - Thursday | Hindu |
| Palm Sunday 2020 | Apr 5 - Sunday | Christian |
| Passover Starts - 2020 | Apr 9 - Thursday | Jewish |
| Laylat al Bara'at 2020 | Apr 9 - Thursday | Muslim |
| Maundy Thursday 2020 | Apr 9 - Thursday | Christian |
| Good Friday 2020 | Apr 10 - Friday | Christian |
| Holy Saturday 2020 | Apr 11 - Saturday | Christian |
| Easter 2020 | Apr 12 - Sunday | Christian |
| Easter Monday 2020 | Apr 13 - Monday | Christian |
| Thomas Jefferson Birthday 2020 | Apr 13 - Monday | Observance |
| Tax Day 2020 | Apr 15 - Wednesday | Observance |
| Passover Ends - 2020 | Apr 16 - Thursday | Jewish |
| Orthodox Good Friday 2020 | Apr 17 - Friday | Orthodox |
| Orthodox Easter 2020 | Apr 19 - Sunday | Orthodox |
| Yom Hashoah 2020 | Apr 21 - Tuesday | Jewish |
| National Library Workers Day 2020 | Apr 21 - Tuesday | Observance |
| Earth Day 2020 | Apr 22 - Wednesday | Observance |
| Administrative Professionals Day 2020 | Apr 22 - Wednesday | Observance |
| Take our Daughters and Sons to Work Day 2020 | Apr 23 - Thursday | Observance |
| Arbor Day 2020 | Apr 24 - Friday | Observance |
| Ramadan Starts - 2020 | Apr 24 - Friday | Muslim |
