Mahalaya Amavasya is a significant and sacred day in the Hindu calendar dedicated to honoring ancestors. This special Amavasya (new moon) occurs in the Tamil month of Puratasi, which falls between September and October, during the Mahalaya Paksha period. Mahalaya Amavasya is the New Moon day, which is observed on the last day of the 15-day period called Mahalaya Paksha – the important fortnight to appease your ancestors in the month of Ashwin (mid-Sep to mid-Oct). Know Mahalaya Amavasya 2025 date, muhurat time, rituals, traditions & celebrations. Know government & bank holidays in different states. Mahalaya Amavasya 2025 Date & Timings: Mahalaya Amavasya 2025, also called Sarv Pitru Amavasya, is the most auspicious day to honor ancestors. From timings and puja vidhi to rituals and...