Holidays calendar April 2018‹ March 2018May 2018 ›DatePopular holidaysOther holidays and observances1 SundayEaster SundayInternational Bird Day,World Health Worker Week2 MondayEaster MondayInternational Children's Book Day,International Fact-Checking Day,World Autism Awareness Day,World Health Worker Week3 TuesdayInvisible Work Day,Find a Rainbow Day,World Health Worker Week4 WednesdayWorld Stray Animals Day,International Carrot Day,World Rat Day,International Day for Mine Awareness and Assistance in Mine Action,World Health Worker Week5 ThursdayCaramel Day,World Health Worker Week6 FridayWorld Table Tennis Day,World Health Worker Week,International Day of Sport for Development and Peace7 SaturdayInternational Pillow Fight Day,International Beaver Day,International Day of Reflection on the 1994 Genocide against the Tutsi in Rwanda ,World Health Day,World Health Worker Week8 SundayZoo Lovers Day,International GMO Opposition Day,International Romani Day9 MondayInternational Unicorn Day10 TuesdayInternational Safety Pin Day11 WednesdayWorld Parkinson's Day12 ThursdayInternational Day for Street Children,World Hamster Day,Yuri's Night,International Day of Human Space Flight13 FridayScrabble Day14 SaturdayDolphin Day,Look Up at the Sky Day15 SundayWorld Art Day,Good Deeds Day16 MondayInternational Day against Child Slavery17 TuesdayHerbalist Day,World Hemophilia Day18 WednesdayInternational Day for Monuments and Sites,World Amateur Radio Day19 ThursdayGarlic Day20 FridayChinese Language Day21 SaturdayAstronomy Day,World Circus Day,World Fish Migration Day,Husband Appreciation Day,World Creativity and Innovation Day22 SundayWorld Allergy Week,Earth Day,International Mother Earth Day23 MondaySt. George's DayWorld Allergy Week,Global Action Week For Education,English Language Day,World Book and Copyright Day,Spanish Language Day,Shakespeare Day24 TuesdayWorld Immunization Week,International Youth Solidarity Day,World Allergy Week,World Meningitis Day,Global Action Week For Education,World Day For Animals In Laboratories25 WednesdayWorld Immunization Week,International Noise Awareness Day,DNA Day,World Allergy Week,World Penguin Day,Parental Alienation Awareness Day,Global Action Week For Education,World Malaria Day26 ThursdayWorld Immunization Week,World Allergy Week,Global Action Week For Education,World Intellectual Property Day,International Girls in ICT Day,International Chernobyl Disaster Remembrance Day27 FridayWorld Tapir Day,World Immunization Week,Morse Code Day,World Allergy Week,World Graphics Day,Global Action Week For Education28 SaturdayWorld Immunization Week,World Veterinary Day,World Allergy Week,Workers' Memorial Day,Global Action Week For Education,World Day for Safety and Health at Work29 SundayWorld Immunization Week,International Day of Immunology,International Search and Rescue Dog Day,Global Action Week For Education,International Dance Day30 MondaySpank Out Day,World Immunization Week,Honesty Day,International Jazz DaySuccess!Error!