Onam (Thiru Onam) is the biggest festival of Kerala. Thiruonam 2013 date is September 16. First Onam date is September 15. Onam is a harvest festival celebrated in the Malayalam Chingam Month (August -September).
Onam festival represents the grand welcome to the demon king Mahabali. As per the popular belief, King Mahabali visits the state of Kerala during the festival of Thiru Onam.
Onam is celebrated for ten days. Starting from the Atham, Onam festival lasts for ten days and the tenth day is the most celebrated Thiru Onam. During Onam festival, Kerala people celebrate many events – games, cultural events, dances and singing songs.
Pookalam (rangoli designs) are the important event of Onam festival. Floral carpets welcoming King Mahabali brings out the cultural front of Onam festival. Pookalam are the floral designs made of flour and different colours and paints.
Thiru Onam 2012 date was August 29.
Here is the Total ten festivals of Onam – Onam 2012 calendar – Ten festivals of Onam 2012.