It seems like on 4th Sept., as per the Hindu Calendar, there is Varaha Jayanti. Usually Jayanti refer to the birth. As per this link it is stated that this day is celebrated as the birth anniversary of Lord Vishnu.
Of course, Varaha (Sanskrit: वराह, "boar") is the avatar of the Hindu god Vishnu in the form of a boar and as per Hinduism, Varaha symbolizes the resurrection of the earth from a
pralaya dissolution of the universe and the establishment of a new
My Question: Is there a scriptural ref. which explicitly states Varaha birth/Jayanti with month/year information?