The festival of Navratri has slipped a month ahead due to more mass this time. Now Navratri will start from 17 October. At the same time, preparations for Durga Puja have also started. This Navratri is becoming many good coincidences. Different forms of the mother are worshiped in the nine days of Navratri. See the calendar of Durga Puja here:

Durga Puja 2020 calendar:
October 21, Panchami Karthik, Bilva invitation, invitation and domicile
October 22, Shashti, Kartik, Navpatrika Pooja, Kolabu Pooja

October 23, Saptami Karthik

October 24, Ashtami Kartik, Durga Ashtami, Kumari Pooja, Sandhi Pooja, Maha Navami

October 25, Navami, Kartik Bengal Mahanavami, Durga Sacrifice, Vijayadashami

October 26, -Dashmi Kartik, Durga Visarjan, Vijayadashami, Sindoor Utsav Sindoor Utsav