Maha Shivaratri (Hindu)
Literally 'the great night of Shiva', Shivaratri, also called Mahashivaratri, is a grand occasion celebrated on the moonless night of the month of Phalguna, which is fourteenth day in the dark half, and is dedicated to Shiva, the destroyer. This is an important day for the devotees of Shiva, who stay awake throughout the night, praying to him.
It is a night of fasting and prayer in honour of Lord Shiva in His aspect of destroying sins and bad things.