Kartik Maas, the eighth lunar month in the traditional Hindu calendar followed in North, is considered highly auspicious. In 2010, Kartik Snan begins on October 23 and ends on November 21. Numerous references regarding the holiness of the month is found in various scriptures associated with Hinduism. Taking a holy dip (Bathing) in River Ganga at Prayag and Badarikashrama in the
Himalayas in Kartik Mahina is considered to be a means of attaining salvation. This holy dip is known as Kaartik Snaan or Kartik Snan.
It is believed that Lord Vishnu appeared in the form of Matsya (fish) to restore the Vedas in this month. The greatness of taking a bath in the holy rivers in Kartik month is mentioned in Puranas and other scriptures. Lord Krishna has narrated about the importance of Kartik mahina to his Satyabhama.
Lord Shiva destroyed demon Tarkasur on the Purnima day in this month.