Purattasi Fasting (Purattasi Viratham) is a month-long vritham observed in Purattasi Month in Tamil calendar. In 2017, Purattasi Month begins on September 17 and ends on October 17.
Pitru Paksha, Devi Navarathri (Durga Ashtami & Mahanavami) and Vijayadashami are the big festivals celebrated in the month of Purattasi.
Even though, Purattasi Sani (Saturdays in Purattasi Month) are considered highly auspicious, some staunch devotees observe fasting during the whole month. The procedure of fasting may vary devotee to devotee.
Purattasi Fasting – September 17 to October 17
Purattasi Sani Fasting dates – September 22, September 29, October 6, October 13.
As per the beliefs, Lord Venkateshwara Swamy would expect his devotees to come closer to his hills (Tirumala Tirupati). For those who failed to have Darshanam of the Lord of Tirumala, Balaji beams himself through the light of this Mavilakku.