Banyu Pinaruh is a series of Saraswati day is celebrated by Hindus a day after the day of Saraswati. Where is the Saraswati Day is celebrated the day before or on Saturday Umanis Wuku Watugunung. This holiday is celebrated every 210 days, every six months in Balinese Pawukon Calendar and every seven month on the Gregorian calendar. Banyu Pinaruh is a holiday in which Balinese celebrate the coming of the knowledge to the world. The word "Banyu Pinaruh" itself is derived from the word "Banyu" means "water" or "holy water" and "pinaruh" or "pinaweruh" means "knowledge" so Banyu Pinaruh can be translated into "holy water of knowledge". Balinese believe, the goddess of knowledge, Saraswati bestow knowledge to the Humankind on this holiday.
It is one of Balinese culture procession which is aim to clean the body and soul from ugly influence. This celebration is conducted Hindu resident in Bali in particular at the morning time. This celebration is common executed at the beach, lake or river. According to Balinese belief, by taking a bath which is more known by Banyu Pinaruh will be able to refresh the body and eliminate the sultry feeling from the routine activity. On this holiday, Balinese get up early in the morning to take a bath on the beach, lake, river or other holy water sources. Many Balinese offer small offering of flower in container made of young coconut leave to the God before taking the ritual bath. This ritual bath serves to purify the mind and body so they become good containers for knowledge that bestowed on this holiday.