Dwitiya Shraddha is also called Dooj Shraddha. If you are not performed the annual shraddha for any reason, then doing shraddha rituals during the respective tithi during the Pitru paksha can give added benefits. Dwitiya Shraddhaĭwitiya Shradha is performed for the ancestors who died on the Dwitiya tithi (on Shukla pasha or Krishna paksha Dwitiya). If there is no person to perform Shraddha at maternal home, or the death anniversary of maternal grandparents is not known then their Shraddha rituals can be performed on this auspicious tithi. Pratipada Shraddha is also considered suitable to perform Shraddha for maternal grandparents. Pratipada Shraddha is also known as Padwa Shraddha. On this day, shraddha is done for those ancestors who died on Pratipada Tithi. Pratipada Shraddha is the first day of Pitru Paksha. This is because Pitru Paksha starts on the next day of Bhadrapada Purnima Shraddha and it is not part of Pitru Paksha. For those who died on Purnima Tithi, their Shraddha is done on Amavasya Shraddha and not on Bhadrapada Purnima. Purnima Shraddha is also known as Shraddhi Purnima and Proshthapadi Purnima Shraddha. You may like: Pitru Paksha Rituals Days Information and their importance Pitru Paksha End date: Wednesday, 06 October 2021 - Sarvapitru Amavasya or Mahalaya Amavasya. Pitru Paksha start date: Monday, 20 September 2021 - Purnima Shraddha (Bhadrapada Shukla Purnima) starts from the fortnight immediately after the Ganesh Chaturthi. You may like: Dos and Don'ts of Pitru Paksha Pitru Paksha Shraddha Dates 2021 It is the most significant day of Pitru Paksha. It is also known as Pitru Amavasya, Peddala Amavasya, Mahalaya Amavasya or simply Mahalaya. The last day of Pitru Paksha is known as Sarvapitri Amavasya. Pitru Paksha is considered by Hindus to be inauspicious, given the death rite performed during the ceremony, known as Shraddha or Tarpan. Pitru Paksha is a 16 day period from Bhadrapada Purnima to Sarvapitri Amavasya when Hindus pay homage to their ancestor, especially through food offerings.