The opening sutra of Shiv Sutras of Kashmir Shaivism is 'Chaitanyam Atma', meaning atman becoming aware of Itself. Shivratri signifies union of atman with the Self and is observed with meditation ...

Also, Mahashivratri is the sacred day of the divine marriage of Lord Shiva and Goddess Parvati In the Shaivism tradition of Hinduism, Mahashivratri is one the greatest festivals for shaivites.