March 26th, 2023 Prince Jonah Kuhio Kalanianaole Day March 27th, 2023 Seward's Day March 27th, 2023 'Prince Jonah Kuhio Kalanianaole Day' observed March 31st, 2023 César Chávez Day April 2nd, 2023 World Autism Awareness Day April 2nd, 2023 Pascua Florida Day April 2nd, 2023 Palm Sunday April 3rd, 2023 'Pascua Florida Day' observed April 4th, 2023 United Nations' Mine Awareness Day April 6th, 2023 First day of Passover April 6th, 2023 Maundy Thursday April 7th, 2023 United Nations' World Health Day April 7th, 2023 Day to Remember Rwanda Genocide Victims April 7th, 2023 Good Friday April 8th, 2023 Holy Saturday April 9th, 2023 Easter Sunday April 10th, 2023 Easter Monday April 12th, 2023 International Day of Human Space Flight April 13th, 2023 Last day of Passover April 14th, 2023 Orthodox Good Friday April 15th, 2023 Orthodox Holy Saturday April 15th, 2023 Father Damien Day April 16th, 2023 Emancipation Day April 16th, 2023 Orthodox Easter April 17th, 2023 'Emancipation Day' observed April 17th, 2023 Orthodox Easter Monday April 17th, 2023 Tax Day April 17th, 2023 Laylat al-Qadr April 17th, 2023 Patriot's Day April 18th, 2023 Yom HaShoah April 21st, 2023 San Jacinto Day April 22nd, 2023 Oklahoma Day April 22nd, 2023 Earth Day April 22nd, 2023 Eid-al-Fitr April 23rd, 2023 World Book and Copyright Day April 24th, 2023 Confederate Memorial Day April 25th, 2023 World Malaria Day April 26th, 2023 World Intellectual Property Day April 26th, 2023 Administrative Professionals Day April 26th, 2023 Yom HaAtzmaut