Vijaya-dasami, appearance date of Srila Madhvacarya, and the victory day of Lord Ramacandra. So there is no fasting, but in the evening we should celebrate some feasting and discuss about the life and works of Sri Madhvacarya as well as Ramayana incidents where Rama and Ravana fought.
Srila Prabhupada; Vaisnava Calendar Description — September 2, 1970, Calcutta