Pitru Paksha 2020 Pitru Paksha is a period of 16 days when the “Pitru Lok” or the world of ancestors passes very closely from the earth. It is the closest on “Savrapitri Amavasya”. The 16 days from Bhadrapad Purnima to Ashwin Amavasya is observed as pitru paksha and in 2020 pitru paksha commences from 2nd September 2020 to 17th September 2020 which is Sarvapitri amavasya. Pitru paksha is also called as Kanagat in North India.