Ganesh Festival is celebrated with high festive spirits and enthusiasm across India, especially in the state of Maharashtra. The grand preparations for the festival begin a month before the festival.
The first day of Ganesh Festival, commonly called as Ganesh Chaturthi, is the birthday of Lord Ganesha, the deity of wisdom.
On this day, devotees bring huge idol of Lord Ganesha and worship the idol for 10 days. Prayers are also accompanied with other cultural activities.
The 10 day long festival concludes on the Ananta Chaturdashi day, with the visarjan (immersion) of the idol.
According to Hindu calendar, Ganesh Festival is observed on the fourth day of the Shukla Paksha (Waxing Phase of moon) in the Hindu month of Bhadrapada (August - September).
In 2012, the date of Ganesh Chaturthi is September 19 and the date Ananta chaturdashi is September 29.
So the 10 day long Ganesh Festival will be celebrated from September 19 to September 29 in the year 2012.