7th day of Navratri 2018 is March 24 (Chaitra Navratri | Vasant Navratri) & 16th October 2018 in Sharad Durga Sharan Navaratri. October 16 is also celebrated as Durga Saptami, Maha Saptami, Devi Saptami.
It also marks the second day of Durga Puja in Bengal, Assam, and other Eastern parts of India..
Today’s Goddess to worship in Navadurga Sampradaya is – Maa Kalratri
Today’s Goddess to worship in Navadevi Sampradaya is – Sri Durga Devi
Today’s Goddess to worship (Alankaram) in Vijayawada Kanakadurga Temple is – Sri Mahalakshmi Devi
Today’s Goddess to worship in Dasha Mahavidya sampradaya is – Dhumavathi Mahavidya (Kalabhairavi)
Today’s Goddess to worship in Saptamatrika / Ashtamatrika Sampradaya is – Chamunda (Chamundi / Charchika)
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 seventh 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.