Holidays calendar April 2021‹ March 2021May 2021 ›DatePopular holidaysOther holidays and observances1 ThursdayInternational Bird Day2 FridayGood FridayInternational Children's Book Day,International Fact-Checking Day,World Autism Awareness Day3 SaturdayInternational Pillow Fight Day,Find a Rainbow Day4 SundayEaster SundayWorld Stray Animals Day,International Carrot Day,World Rat Day,International Day for Mine Awareness and Assistance in Mine Action,World Health Worker Week5 MondayEaster MondayCaramel Day,International Day of Conscience,World Health Worker Week6 TuesdayInvisible Work Day,World Table Tennis Day,International Day of Sport for Development and Peace,World Health Worker Week7 WednesdayInternational Beaver Day,International Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda ,World Health Day,World Health Worker Week8 ThursdayInternational GMO Opposition Day,Zoo Lovers Day,International Romani Day,World Health Worker Week9 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,World Hamster Day,Yuri's Night,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 SaturdayWorld Circus Day,Herbalist Day,World Hemophilia 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,International Girls in ICT Day,International Mother Earth Day,Global Action Week For Education23 FridaySt. George's DayGlobal Action Week For Education,English Language Day,World Book and Copyright Day,Spanish Language Day,Shakespeare Day24 SaturdayWorld Immunization Week,International Youth Solidarity Day,International Organ Day,World Veterinary Day,World Meningitis Day,Son-in-Law Day,World Day For Animals In Laboratories,International Day of Multilateralism and Diplomacy for Peace,Global Action Week For Education25 SundayWorld Immunization Week,DNA Day,World Penguin Day,International Noise Awareness Day,International Search and Rescue Dog Day,Parental Alienation Awareness Day,Dandelion Day,World Malaria Day,Global Action Week For Education,International Delegate’s Day26 MondayWorld Immunization Week,World Intellectual Property Day,International Chernobyl Disaster Remembrance 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 ThursdayWorld Immunization Week,International Day of Immunology,International Dance Day30 FridayWorld Immunization Week,Spank Out Day,Honesty Day,International Jazz DaySuccess!Error!