Loi Krathong? is traditionally performed on the full moon night of the twelfth lunar month, which usually falls on some day in November. Loy" means "to float" and a "Krathong" is a lotus-shaped vessel made of banana leaves. The Krathong usually contains a candle, three joss-sticks, some flowers and coins. The floating of a ?Krathong' is intended to float away ill fortune as well as to express apologies to Khongkha, the River Goddess. Some believe that the ritual is meant to worship the Buddha's footprint on the bank of the Narmada River, while others say that it is to pay respect to Phra Uppakhut, one of the Lord Buddha's great disciples.