Sankashti Chaturthi Vrata, which falls on the fourth day during the waning phase of the moon in a Hindu calendar, is an auspicious day dedicated to Lord Ganesh. Sankashti Chaturti is the fourth day after the full moon. Ganesha devotees observe a fast on this day from sunrise to sunset. The date of Sankashti Chaturthi Vrat is November 16, 2008.
Fasting on Sankashti Chaturthi begins at sunrise and ends after sighting the moon. Those devotees undertaking a fast on the day perform evening puja before taking food. Ganesh Temples conduct special poojas on the day.
The significance of Sankashti Chaturthi Vrat was explained by Lord Krishna to Yudhishtira, the eldest of the Pandavas. It is also detailed in the Narasimha Purana and Bhavishaya Purana.
It is widely believed by Ganesh devotees that observing Sankashti Chaturthi will bring material progress, happiness and fulfillment of desires.