Apr 1, 2015 April Fool's Day
Apr 2, 2015 Maundy Thursday
Apr 2, 2015 World Autism Awareness Day
Apr 2, 2015 Pascua Florida Day
Apr 4, 2015 Holy Saturday
Apr 4, 2015 Passover (first day)
Apr 4, 2015 United Nations' Mine Awareness Day
Apr 5, 2015 Easter Sunday
Apr 6, 2015 International Day of Sport for Development and Peace
Apr 6, 2015 Easter Monday
Apr 6, 2015 National Tartan Day
Apr 7, 2015 United Nations' World Health Day
Apr 7, 2015 Day of Remembrance of the Victims of the Rwanda Genocide
Apr 10, 2015 Orthodox Good Friday
Apr 11, 2015 Last day of Passover
Apr 11, 2015 Orthodox Holy Saturday
Apr 12, 2015 Orthodox Easter
Apr 12, 2015 International Day of Human Space Flight
Apr 13, 2015 Orthodox Easter Monday
Apr 13, 2015 Thomas Jefferson's Birthday
Apr 14, 2015 National Library Workers' Day
Apr 15, 2015 Father Damien Day
Apr 16, 2015 Emancipation Day
Apr 17, 2015 Global Youth Service Day
Apr 18, 2015 International Day for Monuments and Sites
Apr 20, 2015 Chinese Language Day
Apr 20, 2015 Patriot's Day
Apr 20, 2015 Boston Marathon
Apr 21, 2015 San Jacinto Day
Apr 22, 2015 Oklahoma Day
Apr 22, 2015 Administrative Professionals Day
Apr 23, 2015 Yom Ha'atzmaut
Apr 23, 2015 World Book and Copyright Day
Apr 23, 2015 English Language Day
Apr 23, 2015 Take our Daughters and Sons to Work Day
Apr 25, 2015 World Malaria Day
Apr 26, 2015 World Intellectual Property Day
Apr 26, 2015 Confederate Heroes' Day
Apr 27, 2015 Confederate Memorial Day
Apr 27, 2015 Confederate Memorial Day
Apr 27, 2015 Confederate Heroes' Day
Apr 27, 2015 Confederate Heroes' Day observed
Apr 28, 2015 World Day for Safety and Health at Work
Apr 29, 2015 Day of Remembrance for all Victims of Chemical Warfare
Apr 30, 2015 International Jazz Day