Dattatreya Jayanti, Commonly Known As Datta Jayanti, Is An Annual Hindu Festival Commemorating The Birth Anniversary Of The Hindu Deity Dattatreya (Datta). Dattatreya Is A Combination Of The Hindu Divine Trio Of Brahma, Vishnu And Shiva, Known As Trimurti. Dattatreya Jayanti Falls On The Full Moon Day Of The Margashirsha (Agrahayana) Month.