Uma Maheshwara Puja (Uma Maheshwari Vrata) is a highly meritorious vrata dedicated to the divine couple – Lord Shiva and Goddess Parvati. In 2019, Uma Maheshwara Puja date is September 13.
Uma Maheshwara Puja is mainly observed on Bhadrapada Purnima, the Full Moon day in Bhadrapada Month in Hindu calendar.
According to Tamil beliefs, Uma Maheshwara Puja is also observed on Karthigai Pournami, the Full Moon day in Karthigai Masam in Tamil calendar. In 2019, Karthigai Pournami date is December 11.
Umamaheshwara vrata Katha or the story associated with this puja is mentioned in Umamaheshwara Vrata Mahatmya of Skanda Purana. The details about the time when Uma Maheshwar Puja is performed and the names of the Gods who performed the vrata are mentioned in Shiva Rahasya of Skanda Purana.