1st day of Navratri 2018 is October 10 in Ashwin Navratri (Durga Sharan Navratri). It was March 18 in Chaitra Navaratri (Vasant Navratri). Ghatasthapana (Kalasha Sthapana) is the main ritual on this day.
This day marks the beginning of Navratri Puja throughout India as well as the world except for Bengali Hindus.
In Nepal, this festival is celebrated as Dashain. On the first day of Dashain, Ghatasthapana is observed.
As per almost all the North Indian calendars, South Indian calendars, Navratri Kalasha Sthapana is on October 10.
Today’s Goddess to worship in Navadurga Sampradaya is – Maa Shailaputri
Today’s Goddess to worship in Navadevi Sampradaya is – Sri Balatripura Sundari Devi
Today’s Goddess to worship (Alankaram) in Vijayawada Kanakadurga Temple is – Sri Swarnakavacha alankrita Durga Devi
Today’s Goddess to worship in Dasha Mahavidya sampradaya is – Mahakali Mata
Today’s Goddess to worship in Saptamatrika / Ashtamatrika Sampradaya is – Brahmi Devi (Brahmani)
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
Kalasha Sthapana Vidhi