Maha Shivaratri is a Hindu festival celebrated annually to worship the deity Shiva, between February and March. According to the Hindu calendar, The festival is observed on the caturdaśī of kṛṣṇapakṣa of the month of Māgha or Phālguṇa. The discrepancy is only in the name of the month and the festival is observed on the same lunar night across the regions. The festival commemorates the marriage of Shiva and Parvati, and the occasion of Shiva performing his ritual dance called tandava.