Vaikathashtami, observed in the Malayalam month Vrishchikam on the eight day after
full moon day, is one of the most popular temple festivals in Kerala. Vaikathashtami
2016 date is November 21. The festival is held at the famous Vaikom Mahadeva Temple
at Vaikom near Kottayam in Kerala. Lord Shiva is worshipped here in the form of
a Shivling, which is believed to have been formed during the Tretayuga.