People make "com dep"- a Vietnamese food - during the moon worship, so it is also called the Khmer moon worshiping ceremony. The festival is held around the full moon of the 10th lunar month yearly. This is the end of the season, the Khmer hold "com dep" to clear up their wishes for good things before swallowing in the presence of the elderly and the moon god, the moon offering is the fruit of the season to show their gratitude. to God of the Moon, who is giving them a good crop and good wishes. During the festival, there are main cultural activities such as moon worshiping, releasing wind lights, water lights, and so on. The Ok Om Bok ceremony held in Soc Trang and Tra Vinh provinces is the largest because it holds a large Ngo boat racing festival that attracts many athletes and spectators.
During the festival, many places also have cultural activities, sports, and fairs. Due to many attractive activities, the festival attracts many ethnic people to come and celebrate, including foreigners.
Ok, Om Bok is an opportunity for the Khmer in the South to show their national cultural identity and as an opportunity for ethnic groups to learn and exchange cultures with each other.