Today, 29 October 2012 is Purnima (Kojagari Purnima, Ashwin Purnima, Sharad Pournami). It falls in Ashwin Month as per all the calendars followed in North India, Maharashtra, Gujarat, Andhra Pradesh & Maharashtra.
This Full Moon is known as Aippasi Pournami in Tamil calendar and Thula Masam Pournami in Malayalam calendar.
Purnima begins at 11.19 PM on 28th October and ends at 1.20 AM on 30th October.
Major festivals & vratas observed on Purnima, 29th October 2012:
Kojagari Purnima Lakshmi Pujan
Maharshi Valmiki Jayanti
Karthik Snan arambh in North India
Navanna Purnima: New rice is cooked and offered as naivedya to Lord and taken as prashad.
Kumar Purnima in Odisha.
Akash Deepdaan begins in North India as it is the first day of Kartik Month.
Tuljapur Bhavani devi Utsav (Bhavani Devi Nidrakaal ends): A big festival at Tuljapur Bhavani Devi Temple, Maharashtra.
Aippasi Pournami: In Tamil Nadu, on this day Annabhishekam is performed to Lord Shiva.