Poornima (Full moon day) is an auspicious day in Hinduism. Many important rituals and festivals takes place on full moon day. In South India, the day is known as Pournami. Upavaasam (Fasting) is observed on this day by some people. The Poornima Fasting begins at Sunrise and ends after seeing the Moon. Most people only take food after seeing the moon or after evening Pooja. In some places in South India, the Pournami Vratam is dedicated to Devi, Mother Goddess. Special Poojas are performed in temples on Poornima day . Satya Narayana Puja is another important Pooja performed on the Poornima day.