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 TuesdayWorld Table Tennis Day,Invisible Work 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 SaturdayWorld Circus Day,Herbalist Day,World Hemophilia Day,Husband Appreciation Day18 SundayInternational Day for Monuments and Sites,World Amateur Radio Day19 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 DayEnglish Language Day,Global Action Week For Education,World Book and Copyright Day,Spanish Language Day,Shakespeare Day24 SaturdayInternational Organ Day,World Meningitis Day,World Immunization Week,World Veterinary Day,International Youth Solidarity Day,Son-in-Law Day,World Day For Animals In Laboratories,International Day of Multilateralism and Diplomacy for Peace,Global Action Week For Education25 SundayParental Alienation Awareness Day,World Immunization Week,International Search and Rescue Dog Day,World Penguin Day,DNA Day,International Noise 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 Tapir Day,World Graphics Day,Morse Code Day,World Immunization Week28 WednesdayWorkers' Memorial Day,World Immunization Week,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!