Time: The 12th day of the twelfth lunar month.
Place: Khai Quang Commune, Vinh Yen Town, Vinh Phuc Province.
Objects of worship: The village's tutelary god.
Characteristics: Dance of offering to god, the rite of battle sacrifice: two people cut off pig's head, take pig's head to dance offering god (at night), mo dance (thing symbolizing male and female genitals).