Mahamaham Festival - The Masimaham is an annual event that occurs in the Tamil month of Masi (February–March) in the star of Magam in kumbakanom which is a very beautiful and ancient and holy place. Once in twelve years, when the planet Guru (Jupiter) enters Simha (Leo) sign a larger festival is celebrated at Mahamaham tank. Vast crowds gather at Kumbakonam to have a dip in the tank, along with saints and philosophers. All the rivers of India are believed to meet at the tank on this day and a purificatory bath at this tank on this day is considered equal to the combined dips in all the holy rivers of India Festival deities from all the temples in Kumbakonam arrive at the tank and at noon, all the deities bathe along with the devotees – it is called “Theerthavari”. The purificatory bath is believed to remove sins and after the dip, pilgrims offer charitable gifts in the hope of being rewarded in the current life and subsequent lives. The temple cars of major temples in Kumbakonam come around the city on the festival night. During the Mahamaham of 2004, the number of devotees reached 10 million. People are washing their sins on the holy rivers like Ganges, Yamuna, Sarasvati River, Sarayu, Godavari River, Mahanadi River, Narmada River, Pavoshnl and Kaveri River. These rivers wanted to get rid of their sins and approached Lord Brahma. Lord Brahma advised these rivers if you meet together and take bath in Mahamaham would wash off all the sins. Hence, during the time of Mahamaham festival, it is also believed that taking bath in the holy stream of water from the famous rivers like Ganges, Yamuna, Sarasvati River, Sarayu, Godavari River, Mahanadi River, Narmada River, Pavoshnl and Kaveri River, which are mixed together in Mahamaham tank, would get rid of sins according to Hindu religion. Mahamaham bathing festival is concentrated on a single day, the concourse of pilgrims being all the more. During this festival, thousands of Hindu devotees come to Kumbakonam, and take bath in a tank named Mahamaham tank, generally followed or preceded by a dip in the kaveri river at Kumbakonam. The tank has 20 holy wells. These wells are named after 20 holy rivers flowing across India. People get themselves drained in these wells. These wells are also called as “Theertham” (Holy water).