Mahalaya Amavasya 2026: Date, Muhurat, Significance & Rituals Mahalaya Amavasya, also known as Sarvapitri Amavasya or Pitru Moksha Amavasya, is the most significant day in the Hindu calendar for honoring ancestors. It marks the culmination of the 16-day Pitru Paksha period and the beginning of Devi Paksha (Navratri). On this day, Shradh and Tarpan rituals...