Pitru Paksha (Mahalaya Paksha, Apara Paksha, Shraddh Paksha) is a fortnight dedicated to dead ancestors and forefathers. Pitru Paksha 2012 starts on September 30 and ends with Mahalaya Amavasya on October 15, 2012.
During Pitru Paksha, dead ancestors are offered special rites and rituals. Pitru Paksha Shraddh begins on Ashwin Krishna Pratipada or first day of Ashwin month as per North Indian calendar. It starts on Bhadrapad Krishna Pratipada as per Marathi, Gujarati, Telugu, and Kannada calendars.
For detailed Pitru Paksha Vidhi or procedure, you can read this article….
During Pitru Paksha, each day is dedicated to different section of dead ancestors.. such as dead women, dead children, accidentally dead ancestors, etc. Here is the detailed calendar or schedule of Pitru Paksha 2012:
Pratipada Shraddh 2012: September 30 (Purnima Shraddh 2012)
Dwitiya Shraddh 2012: October 1
Tritiya Shraddh 2012: October 2
Shunya Tithi Shraddh 2012: October 3 - Bharani Mahalaya Shraddh
Chaturthi Shraddh: October 4
Panchami Shraddh: October 5
Sashti Shraddh: October 6
Saptami Shraddh: October 7
Ashtami Shraddh: October 8 - Madhvashtami or Arudrashtami
Navami Shraddh: October 9 – Avidhava Navami or Avidhva Navami
Dashami Shraddh: October 10
Ekadashi Shraddh: October 11
Dwadasi Shraddh: October 12 – Yateenam Mahalaya Shraddh or Yathi Dwadashi
Trayodasi Shraddh: October 13 – Balbolaniteras
Chaturdashi Shraddh: October 14 – Shraddh Chaturdashi or Ghat Chaturdasi
Mahalaya Amavasya Shraddh: October 15