Sri Krishna Janmashtami (Shri Krishna Jayanthi, Sree Krishnashtami, Gokulashtami), is the birthday of Lord Sri Krishna. In 2015, Krishna Janmashtami date is September 5. Lord Krishna is also one of the Dasavatara (ten supreme incarnations) of Lord Vishnu.
Lord Sri Krishna is worshipped with utmost pomp in many places of India. Devotees install the clay idol of Sri Krishna and offer abhishek and special naivedya to the Lord. In the evening, cradle ceremony of Lord Sri Krishna is also performed.
The next day of Sri Krishna Janmashtami is celebrated as Nandotsav or Nanda Mahotsav in Sri Krishna temples in North India. Just after fifteen days of Janmashtami, Radhashtami or Radha Rani Jayanti is celebrated.