Subramanya Sashti or Subrahmanya Shashti is observed on Margashira Shashti in Andhra Pradesh, Karnataka, Tamil Nadu and Kerala. In 2013, Subramanya Sashti date in Margashira Masam is December 8.
Lord Subramanya, also known as Kumara, Skanda, Murugan or Shanmukha is worshipped during this festival. In Kukke Subramanya temple, Karnataka, Subramanya Sashti is observed with utmost enthusiasm and devotion. It is one of the major festivals celebrated in the month Margashira in South India.
In Skandagiri Subramanya temple located in Hyderabad, Subramanya sasti is an eye-catching event. Nagadevatas or Serpent Gods are also worshipped on this day. In fact, Subramanya swamy is worshipped in the form of five-hooded snake.
In Maharashtra, Margashira Sashti is celebrated as Champa Shashti (Chamba Sashti) to commemorate the victory of Khandoba over wicked demons.
Margasira Subramanya Sashti 2012 date was December 18.