In Hindu amanta calendar ( ending with amavasya ), second half of the month Bhadrapada is called Pitru Paksha: Pitṛpakṣa or Śrāddha pakṣa and its amavasya ( new moon ) is called sarvapitri amavasya.
The Hindu amavasya calendar's second half of Bhadrapada, specifically the period from the beginning to the end of the month, is known as Pitru Paksha (or Śrāddha Pakṣa), and its new moon day is called Sarvapitri Amavasya.