According to the Hindu lunar calendar, the Sankashti Chaturthi fast begins on the morning of the fourth day of the waning moon, called Krishna Paksha, in each month.

Sankashti Chaturthi fast is dedicated to Lord Ganesha. Observing this fast reduces obstacles and troubles in life, bringing prosperity, health, and happiness. It also brings wisdom and success in personal and professional life.

Sankranti Chaturthi Puja involves observing a complete fast, which ends after moonrise. This fast is dedicated to Lord Ganesha. Devotees worship him in the morning and evening. The main steps include waking up early in the morning, installing the idol, installing the Kalash, then worshipping with flowers, incense, lamps, Roli, Moli, Kalava, sandalwood paste, etc. Offer 21 or 108 Durva grass to Lord Ganesha while reciting the Shri Ganesh Mantra. Offer Modaks or Laddus as Prasad. Recite the Vrat Katha and chant mantras. Before breaking the fast, offer Arghya to the Moon.

Sankashti Chaturthi is a monthly dedicated to Lord Ganesha. These fast keeps to remove obstacles and hurdles in the life. This fast keep on the fourth day of the “Krishna Paksha” that is also called waning phase of the moon in every lunar month as per Hindu Calendar.