13 or 14 April: Khmer New Year. The Khmer New Year is a time for dancing, feasting, and traditional music. It falls on the 13th or 14th of April each year, and results in lively celebrations across the whole country. No matter where you are, you are sure to find something great to do.28 May: Royal Ploughing Ceremony. This annual ceremony involves a ritual ploughing celebration, and is a fantastic time to see the colourful local culture.30 September - 15 October: All Souls Day. Known locally as Pchum Ben Day, this is one of the country's most ancient rituals. Give offerings to the dead, and listen to a sermon in a Buddhist Temple, meditating on life and death.November 9: National Independence Day. National Independence Day is a political holiday celebrated with food, sometimes fireworks, and song throughout the country.27 - 29 November: Water Festival. The exact date of this festival is determined by the lunar calendar and natural events. This glorious festival celebrates a curious natural phenomenon: each year, the Tonlé Sap turns around and begins to flow backwards, emptying itself into the nearby lake. This weird and wonderful event is absolutely unforgettable.