Click on the April holidays listed in blue for more details.
| Holidays | Date | Details |
|---|---|---|
| April Fools Day 2019 | Apr 1 - Monday | Observance |
| Isra and Mi'raj 2019 | Apr 3 - Wednesday | Muslim |
| United Nations World Health Day 2019 | Apr 7 - Sunday | Global |
| Thomas Jefferson Birthday 2019 | Apr 13 - Saturday | Observance |
| Rama Navami 2019 | Apr 14 - Sunday | Hindu |
| Palm Sunday 2019 | Apr 14 - Sunday | Christian |
| Tax Day 2019 | Apr 15 - Monday | Observance |
| National Library Workers Day 2019 | Apr 16 - Tuesday | Observance |
| Maundy Thursday 2019 | Apr 18 - Thursday | Christian |
| Good Friday 2019 | Apr 19 - Friday | Christian |
| Holy Saturday 2019 | Apr 20 - Saturday | Christian |
| Passover Starts - 2019 | Apr 20 - Saturday | Jewish |
| Easter 2019 | Apr 21 - Sunday | Christian |
| Laylat al Bara'at 2019 | Apr 21 - Sunday | Muslim |
| Easter Monday 2019 | Apr 22 - Monday | Christian |
| Earth Day 2019 | Apr 22 - Monday | Observance |
| Administrative Professionals Day 2019 | Apr 24 - Wednesday | Observance |
| Take our Daughters and Sons to Work Day 2019 | Apr 25 - Thursday | Observance |
| Arbor Day 2019 | Apr 26 - Friday | Observance |
| Orthodox Good Friday 2019 | Apr 26 - Friday | Orthodox Christian |
| Passover Ends - 2019 | Apr 27 - Saturday | Jewish |
| Orthodox Holy Saturday 2019 | Apr 27 - Saturday | Orthodox Christian |
| Orthodox Easter 2019 | Apr 28 - Sunday | Orthodox Christian |
| Orthodox Easter Monday 2019 | Apr 29 - Monday | Orthodox Christian |
