6th day of Navratri 2016 is October 6 in Sharad Navratri. In 2016, this day marks Maha Sashti. In Chaitra Navratri, it was on April 12.
Usually, this day marks Durga Sashti, Maha Shashti, Devi Shashti. It also marks the beginning of Durga Puja in Bengal, Assam, and other Eastern parts of India.
Today’s Goddess to worship in Navadurga Sampradaya is – Maa Katyayani
Today’s Goddess to worship in Navadevi Sampradaya is – Saraswati Devi
Today’s Goddess to worship (Alankaram) in Vijayawada Kanakadurga Temple is – Sri Lalita Tripurasundari Devi
Today’s Goddess to worship in Dasha Mahavidya sampradaya is – Tripura Bhairavi Mahavidya (Kalabhairavi)
Today’s Goddess to worship in Saptamatrika / Ashtamatrika Sampradaya is – Varahi Devi
Today’s Navratri colour is – Read this post for Navratri colours list for 2016
Today’s Naivedyam or food recipe to offer to Durga Mata is – read this post for Nine Naivedyams for Durga
In Nepal, Navratri is celebrated as Dashain. On the sixth day of Dashain, regular puja to Goddess Durga is observed along with the above said vratas. Most of the devotees are not aware about the sixth day of Vratas of Navratri.