In South India, most in parts of Tamil Nadu, Karnataka and Andhra Pradesh, as per the Hindu traditional calendar, on the new moon day (amavasya) of the ashadha month is celebrated as Bhiman amavasya with festivity.
The Hindus consider auspicious, any fortnight containing the new-moon or the day of new moon occurrence in the sky as Amavasya. They strongly believe that the offering made during this period directly reach their ancestors and in return are blessed by them. During this period in order to seek the blessing of Hindu deity’s, several rituals and prayers are performed by Hindus.
It is to be noted that Bhiman amavasya marks the first moon occurrence of August month in a given calendar year. It is strongly considered as very auspicious day by Hindu religious scholars and pundits. According to the Hindu mythology, , the Lord of destruction, Shiva accepts Parvathi as his wife after understanding her devotion towards him on this night. It is to be remembered that Parvathi is considered as the supreme Divine Mother. It is to be noted that other goddesses are the manifestation or incarnation of her.
According to Hindu tradition, Parvathi also symbolizes several different virtues such as devotion to the spouse, marital felicity, fertility, power and asceticism. Most of the married women observe fasting on this day for the long life of their husband’s health and his prosperity. On the other hand, unmarried women observe fasting in order to get a good husband and lead a happy life in togetherness and bonding.