Sarvpitru Amavasya 2026: Why the last day of Pitru Paksha matters. Sarvpitru Amavasya marks the final day of Pitru Paksha and is considered significant for performing Shradh and remembering ancestors. On this day, families traditionally offer food, water and prayers for departed family members. The rituals are generally performed during the prescribed Aparahna period, while specific timings and customs can vary by location and family tradition.