Sarva Pitru Amavasya, the final day of Pitru Paksha, will be observed on Saturday, October 10, 2026.Sarva Pitru means all ancestors. The day is dedicated to remembering every ancestor, especially those whose death date is unknown or whose shraddh could not be performed on its prescribed day.The Amavasya tithi begins at 9:35 pm on October 9 and ends at 9:19 pm on October 10. By the Udaya tithi rule, the observance falls on October 10, according to the Narayan Seva Trust and AstroVed.The day is also known as Mahalaya Amavasya. In Bengal, it marks the start of Durga Puja and Navratri celebrations.On this day, families perform Tarpan, Shraddh, Pind Daan and charity for their ancestors. The afternoon period, called Aparahna kaal, is considered the best window for the rituals.Pitru Paksha runs for 16 days, from September 26 to October 10 this year. Sarva Pitru Amavasya is seen as the final chance of the fortnight to honour one's ancestors.