Amavasya is new moon day in Hindu timetable. It is noteworthy day as numerous ceremonies are performed just on Amavasya Tithi. Amavasya falling on weekday Monday is known as Somvati Amavasya and Amavasya falling on weekday Saturday is known as Shani Amavasya.
All Amavasya days are suitable to perform Shraddha ceremonies to allay predecessors. Amavasya day is likewise fitting day to perform Kalasarpa Dosha puja.