Gauri Puja or Gowri Vratha is the main ritual during Ganesh Chaturthi festival. In 2017, Gauri Puja date during Ganesh Chaturthi is August 24. It is observed on Shukla Paksha Tritiya or Thadiya in Bhadrapad month.
The Ganesha Purana has a reference on the birth of Lord Ganesha – Ganapati was incarnated from the bath powder while Goddess Parvati (Gauri) taking her bath.
Gauri Vratha Mahatmya or the importance of Gauri Puja on this day is mentioned in several Hindu scriptures.
Parvati Devi, the daughter of Himvanth (the King of Mountains), observed severe penance on this day to get Lord Shiva as her husband and succeeded. She made Shivling with clay and offered puja to the Lord.
Those who worship Goddess Gowri along with Shivling on this day would get good husband and their married life will be blissful with the blessings of the divine couple.
In 2016, Gauri Puja date during Ganesh Chaturthi was September 4.
In 2015, Gauri Puja date during Ganesh Chaturthi was September 16.
In 2014, Gauri Puja date during Ganesh Chaturthi was August 28.
In 2013, Gauri Puja date during Ganesh Chaturthi was September 8th.
Gauri Puja 2012 date during Ganesh Chaturthi was September 18.