Good and auspicious time to perform Ganesh Chaturthi Puja is when Chaturthi Tithi and also when Swati Nakshatra is present. In 2016 both Swati Nakshatra and Chaturthi Tithi is present from 7:40 PM to 9:09 PM on September 5, 2016. This is considered the ideal time to install Ganesha. The ideal time are given below:
The puja should be completed before 7:40 PM to 9:09 PM.