Click on the April holidays listed in blue for more details.
| Holidays | Date | Details |
|---|---|---|
| April Fools Day 2018 | Apr 1 - Sunday | Global |
| Easter 2018 | Apr 1 - Sunday | Christian |
| Easter Monday 2018 | Apr 2 - Monday | Christian |
| Orthodox Good Friday 2018 | Apr 6 - Friday | Orthodox Christian |
| United Nations World Health Day 2018 | Apr 7 - Saturday | Global |
| Passover Ends - 2018 | Apr 7 - Saturday | Jewish |
| Orthodox Holy Saturday 2018 | Apr 7 - Saturday | Orthodox Christian |
| Orthodox Easter 2018 | Apr 8 - Sunday | Orthodox Christian |
| Orthodox Easter Monday 2018 | Apr 9 - Monday | Orthodox Christian |
| National Library Workers Day 2018 | Apr 10 - Tuesday | Observance |
| Yom Hashoah 2018 | Apr 11 - Wednesday | Jewish |
| Isra and Mi'raj 2018 | Apr 13 - Friday | Muslim |
| Thomas Jefferson Birthday 2018 | Apr 13 - Friday | Observance |
| Tax Day 2018 | Apr 17 - Tuesday | Observance |
| Earth Day 2018 | Apr 22 - Sunday | Observance |
| Administrative Professionals Day 2018 | Apr 25 - Wednesday | Observance |
| Take our Daughters and Sons to Work Day 2018 | Apr 26 - Thursday | Observance |
| Arbor Day 2018 | Apr 27 - Friday | Observance |
