Holidays calendar April 2021‹ March 2021May 2021 ›DatePopular holidaysOther holidays and observances1 ThursdayInternational Bird Day2 FridayGood FridayInternational Fact-Checking Day,International Children's Book Day,World Autism Awareness Day3 SaturdayFind a Rainbow Day,International Pillow Fight Day4 SundayEaster SundayWorld Stray Animals Day,World Rat Day,International Carrot Day,World Health Worker Week,International Day for Mine Awareness and Assistance in Mine Action5 MondayEaster MondayCaramel Day,World Health Worker Week,International Day of Conscience6 TuesdayInvisible Work Day,World Table Tennis Day,World Health Worker Week,International Day of Sport for Development and Peace7 WednesdayInternational Beaver Day,International Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda ,World Health Worker Week,World Health Day8 ThursdayInternational GMO Opposition Day,Zoo Lovers Day,World Health Worker Week,International Romani Day9 FridayInternational Unicorn Day,World Health Worker Week10 SaturdayWorld Homeopathy Day,International Safety Pin Day,World Health Worker Week11 SundayGood Deeds Day,World Parkinson's Day12 MondayInternational Day for Street Children,Yuri's Night,World Hamster Day,International Day of Human Space Flight13 TuesdayScrabble Day14 WednesdayDolphin Day,Look Up at the Sky Day,World Chagas Disease Day15 ThursdayWorld Art Day16 FridayInternational Day against Child Slavery17 SaturdayHerbalist Day,World Hemophilia Day,World Circus Day,Husband Appreciation Day18 SundayWorld Amateur Radio Day,International Day for Monuments and Sites19 MondayGarlic Day,Global Action Week For Education20 TuesdayGlobal Action Week For Education,Chinese Language Day21 WednesdayGlobal Action Week For Education,World Creativity and Innovation Day22 ThursdayEarth Day,Global Action Week For Education,International Mother Earth Day,International Girls in ICT Day23 FridaySt. George's DayGlobal Action Week For Education,English Language Day,World Book and Copyright Day,Spanish Language Day,Shakespeare Day24 SaturdayWorld Meningitis Day,World Veterinary Day,World Immunization Week,International Youth Solidarity Day,International Organ Day,Son-in-Law Day,Global Action Week For Education,World Day For Animals In Laboratories,International Day of Multilateralism and Diplomacy for Peace25 SundayParental Alienation Awareness Day,DNA Day,International Search and Rescue Dog Day,World Immunization Week,World Penguin Day,International Noise Awareness Day,Dandelion Day,Global Action Week For Education,International Delegate’s Day,World Malaria Day26 MondayWorld Immunization Week,International Chernobyl Disaster Remembrance Day,World Intellectual Property Day27 TuesdayWorld Immunization Week,World Tapir Day,Morse Code Day,World Graphics Day28 WednesdayWorld Immunization Week,Workers' Memorial Day,World Day for Safety and Health at Work29 ThursdayInternational Day of Immunology,World Immunization Week,International Dance Day30 FridayWorld Immunization Week,Spank Out Day,Honesty Day,International Jazz DaySuccess!Error!