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 SaturdayInternational Volunteer Day for Economic and Social Development,World Soil Day6 SundayComputer Science Education Week7 MondayComputer Science Education Week,International Civil Aviation Day8 TuesdayComputer Science Education Week9 WednesdayComputer Science Education Week,International Anti-Corruption Day10 ThursdayInternational Animal Rights Day,Computer Science Education Week,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 ThursdayInternational Day to End Violence Against Sex Workers,Wright Brothers Day18 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!