Eighth day of Navratri is celebrated as Durga Ashtami. Durga Ashatami 2012 date is October 22. Also known as Maha Ashtami or Veerashtami, this festival is an auspicious day to worship the Mother Goddess.
Navadevi worshippers adorn and worship the Goddess in the form of Durga Devi (Durga Devi Alankaram). This is the final day of Devi Triratra Vratam.
Durga Ashtami is the most auspicious day to perform Kanya Puja (Kumari Puja / Kanjak Puja), Suvasini Puja, Dampat Puja (worship to married couple).
Kalratri Puja is observed as part of Navadurga Puja during Navratri. Bagalamukhi Dasamahavidya or Pitambari Dashamahavidya is worshipped by Dashamahavidya sampradaya sect. Vajreshwari Devi is the Goddess to worship on Durga Ashtami as a part of Saptamatrika Navaratri or Ashtamatrika Navaratri.
On Durga Ashtami, Bathukamma festival is celebrated in Andhra Pradesh. This is the biggest Hindu festival in Telangana region of the state.
Sandhi Puja is one of the most important ritual during Durga Ashtami Durga Puja in Bengal. It is performed at the end of Durga Ashtami and the beginning of Maha Navami.