375. Mahalayasy Kaala:
41. At the end of simha (aavani) month - Krishna Paksha i.e, when son enters into Kanya Rasi is called Mahalaya Paksham and it is marked as the best period to devote pitrus.
42. In this Paksham from Panchami or Ashtami or Dhasami to Amavasya the Mahalaya Shradham to be done on any one day as much as one can. Chaturdasi should not be selected to do 'Sakrun Mahalayam'.
"mrdhahe harahar d...."