This large festival is held on the 9th day of the 4th month of the lunar calendar. The date commemorates Saint Giong who defeated the An invaders. In order to show their gratitude to the hero of Giong Village who sacrificed his life to fight invaders, the people proclaimed him Saint Giong. 

The Giong  Festival is held annually in Phu Dong Village, Gia Lam District, Hanoi. This large festival is held on the 9th day of the 4th month of the lunar calendar. The date commemorates Saint Giong who defeated the An invaders. In order to show their gratitude to the hero of Giong Village who sacrificed his life to fight invaders, the people proclaimed him Saint Giong. 

Preparation for the festival occurs from the 1st day of the 3rd lunar month to the 5th day of the 4th lunar month. The procession starts from the Mother Temple to Thuong Temple with the performance of a religious service. After reaching the temple, a feast for the troops occurs. When night falls, a Cheo play is performed (a classical Vietnamese opera). The festivities ends on the 10th day of the 4th month, as the troops withdraw and a thanksgiving procession takes place. 

At the Giong Festival, people can make connections with their the neighbors, with relatives, between the individuals within a community, and with the past and present. This festival blends together the traditions of love for the motherland and the preservation of the cultural heritage. 

Starting Dates in Western Calendar  2009 Jun 22 , 2010 May 03, 2011 May 11, 2012 Apr 29