Adiperukku is a unique South Indian and specially a Tamil state festival celebrated on the 18th day of the Tamil month of Aadi. AadiPerukku falls on 2nd or 3rd of August every year. Hence "Padinettam perukku" - Padinettu signifies eighteen, and Perukku denotes rising. This festival is observed predominately by women in Tamil Nadu. The Aadiperukku, as a water-ritual, celebrated by women is said to honour Nature. In this auspicious day, Goddess Parvathi Devi is worshipped by offer of different rice dishes. Offerings of flowers, Akshata and rice offerings are done into sacred rivers like Cauveri.