Mahalaya Amavasya 2024 Date. The new moon day or the no moon day in the hindu calendar is known as amavasya. Mahalaya amavasya, the most important day in pitru paksha, marks the culmination of this period.

The optimal period for tarpanam on mahalaya amavasya in 2024 is from 4:00 am to 6:00 pm. It is significant day as many rituals are performed only on amavasya tithi.