Holidays calendar December 2009‹ November 2009January 2010 ›DatePopular holidaysOther holidays and observances1 TuesdayWorld AIDS Day2 WednesdayInternational Day for Abolition of Slavery3 ThursdayInternational Day of Persons with Disabilities4 Friday5 SaturdayWorld Soil Day,International Volunteer Day for Economic and Social Development6 SundayComputer Science Education Week7 MondayComputer Science Education Week,International Civil Aviation Day8 TuesdayComputer Science Education Week9 WednesdayComputer Science Education Week,International Anti-Corruption Day10 ThursdayComputer Science Education Week,International Animal Rights Day,Human Rights Day11 FridayComputer Science Education Week,International Mountain Day12 SaturdayComputer Science Education Week,Poinsettia Day13 SundayWorld Choral Day,Worldwide Candle Lighting Day14 MondayMonkey Day15 TuesdayZamenhof Day16 WednesdayDay Of Reconciliation17 ThursdayWright Brothers Day,International Day to End Violence Against Sex Workers18 FridayUnderdog Day,International Migrants Day19 Saturday20 SundayWorld Snowboard Day,Games Day,International Human Solidarity Day21 MondayWorld Basketball Day22 Tuesday23 Wednesday24 Thursday25 FridayChristmas Day26 SaturdayBoxing Day27 Sunday28 MondayBoxing Day (substitute day)29 Tuesday30 Wednesday31 ThursdayNew Year's EveSuccess!Error!