Do Temple Festival takes place from the 14th to the 16th days of the third lunar month in Dinh Bang, Tu Son, Bac Ninh, northern Vietnam. Legend has it that the 15th day of the third lunar month was the coronation of King Ly Cong Uan. Later generations chose the day as a common festival to pay homage to kings of the Ly Dynasty.
According to customs in Dinh Bang Village, a chief officiant appointed to administer the festival. The person then presents himself to the genie in a set of solemn rituals and votive offerings including a drum, a platter of betel, and a small bottle of wine. Residential groups, mass organizations and local authorities administer the festival. Pieces of work are assigned according to ages and kinds of person. On festival days, they have to fulfill their assigned tasks.
On the 14th, preparatory work finishes. Those appointed for such posts as the King’s bodyguards (the tuong), flag holders or palanquin carriers have prepared their costumes and equipment. Others have to clean the road, pagoda and temple.