14 - 16 April - Cambodian New Year
A three-day celebration after the end of harvest to mark the turn of The New Year according to the Khmer lunar calendar. Every home is adorned with attractive decorations and shrines are full of food and beverages given as offerings to God.

12 May  - Visak Bochea Day - Birthday of Buddha. 
The birthday of Buddha is also the day of his death, the day he achieved enlightenment. The previous night Cambodian Buddhists visit temples to listen to incantations about Buddha's teachings and life. In Phnom Penh, there is a big ceremony presided by the King.
   
13 - 15 May - Birthday of King Sihamoni
During the King of Cambodia's birthday celebration, a giant firework display is held close to the riverbanks in front of the Royal Palace.

16 May - Royal Ploughing Ceremony 
This ceremony alerts the nation of the start of rainy season, and farmers get ready to farm rice by starting to plough. The venue is a field in a wing of the Royal Palace in Phnom Penh. Cows are given a variety of crops to eat and based on the choices of crops eaten by the cows, predictions are made for the coming year.

21-23 September - Pchum Ben Day - The Soul Day
A religious festival to bless the souls of ancestors, relatives and friends alike who have passed away. Household members attend Buddhist temples.

4-6 November - Water Festival
Not only does this event mark the yearly reversing flow of Tonle Sap River but it also ushers in the fishing season. The highlight of the event is boat races on the lake over three days. As night falls, fireworks light the sky and a lighted flotilla of boats sail under full moon to whom household worships. People gather on the bank of the Mekong River for days and nights. 

Mid December - Angkor Festival
This festival is a showcase of performing arts with Angkor Wat as a backdrop. Performers from all over Asia attend this festival performing great epic stories from myths and legends, including the Ramayana, with their own national dance costumes and musical and rhythmic interpretations. Former King Sihanouk often attends when he is in residence in Siem Reap and other dignitaries come to witness this wonderful spectacle.

Late December -  Angkor Half Marathon
This international event is held at the world renowned Angkor Wat.  The marathon attracts competitors from all over the world. With thousands of spectators and the wonder of Angkor Wat  as a backdrop it is spectacular to see.