April 1
April Fools’ Day
April 2
Good Friday
World Autism Awareness Day
April 4
Easter Sunday
International Day for Mine Awareness and Assistance in Mine Action
April 5
International Day of Conscience
National Maritime Day
April 6
International Day of Sport for Development and Peace
April 7
International Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda
World Health Day
April 10
World Homeopathy Day
April 12
International Day of Human Space Flight
April 13
Jallianwala Bagh Massacre
April 14
World Chagas Disease Day
Ambedkar Jayanti
April 17
World Hemophilia Day
April 18
World Heritage Day
April 20
Chinese Language Day
April 21
World Creativity and Innovation Day
April 22
Earth Day
International Girls in ICT Day
International Mother Earth Day
April 23
World Book and Copyright Day
English Language Day
Spanish Language Day
April 24
World Immunization Week [WHO]
International Day of Multilateralism and Diplomacy for Peace
April 25
World Malaria Day
International Delegate’s Day
April 26
International Chernobyl Disaster Remembrance Day
World Intellectual Property Day
April 28
World Day for Safety and Health at Work
April 30
International Jazz Day