Maha Shivaratri comes on the 13th day of Krishana Paksha of Maagha Maasa (February/March). The name means "the night of Shiva". All day long the devotees observe fast and perform the puja. Maha Shivaratri is celebrated throughout India. It is believed that on this day Lord Shiva was married to Parvati. People also says that

This festival brings around the best time to express your devotion and prayers to the great Lord and in turn seek his blessing to simplify our worldly problems. Married females observe this fast for the well-being of their husbands and unmarried girls for seeking a loyal life partner like Lord Shiva. Men observe this fast to free themselves from sins, gain peace and harmony. During this holy night the devotees of Lord Shiva fast, meditate, pray and sing the glory of the Saviour.

In Andhra Pradesh, the Maha Shivaratri is celebrated at mainly Sri Kalahasteshwara Temple, Sri Kalahasti, Bharamarambha Malikarjunaswamy Temple, Srisailam, Sri Mahanandiswara Swamy Temple, Maha Nandi and Sri Rajarajeshwara Swamy Temple in Vemulawada.