Public Holiday in 2005 February Wednesday 23rd Makha Bucha Day April Wednesday 6th Chakri Memorial Day Wednesday 13th-Friday 15th Songkran Festival Day May Monday 2nd Labor Day (Substitution day for Sunday,1st) Thursday 5th Coronation Day Monday 23rd Visakha Bucha Day (Substitution day for Sunday,22nd) July Friday 22nd Buddhist Lent Day August Friday 12th H.M.The Queen's Birthday October Monday 24th Chulalongkorn Day (Substitution day for Sunday,1st) December Monday 5th H.M.The King's Birthday Saturday 10th Constitution day Saturday 31st New Year's Eve