Sankashti Chaturthi is an auspicious day dedicated to Lord Ganesha in a traditional Hindu month. It falls during the waning phase of the moon – fourth day after the full moon. Staunch Ganesha devotees observe a fast (fasting – upvaas) on this day. The date of Sankashti Chaturthi Vrata is September 18, 2008.
Fasting on Sankashti Chaturthi begins at sunrise and ends after evening puja or after sighting the moon. Ganesh Temples conduct special pujas on the day.
It is widely believed by Ganesha devotees that observing Sankashti Chaturthi will bring material progress, happiness and fulfillment of desires. The importance 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.