The auspicious occasion of Krishna Janmashtami or Gokulashtami will be celebrated on August 23 this year. Janmashtami is observed on the eighth day (Ashtami) of the Krishna Paksha (dark fortnight) in Shraavana, which usually falls in the month of August and September of the Gregorian calendar. Know the Krishna Puja Tithi, Shubh Muhurat to observe on this Gokulashtami.