8th day of Navratri 2018 is March 25 in Chaitra Navratri (Vasant Navratri) & 17 October in Sharad Durga Navratri. This day marks Durga Ashtami, Maha Ashtami, Veerashtami, Mahanavami, Sandhi Puja.
It also marks the third day of Durga Puja in Bengal, Assam, and other Eastern parts of India.
Today’s Goddess to worship in Navadurga Sampradaya is – Maa Mahagauri
Today’s Goddess to worship in Navadevi Sampradaya is – Sri Mahishasura Mardhini Devi
Today’s Goddess to worship (Alankaram) in Vijayawada Kanakadurga Temple is – Sri Durga Devi
Today’s Goddess to worship in Saptamatrika / Ashtamatrika Sampradaya is – Vajreshwari Devi and Mukteshwari Devi.
Today’s Navratri colour is – Read this post for Navratri colours list for 2018
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 eighth 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.