Maha Ashtami is the eight-day of Durga Puja and is marked by important rituals like pushpanjali, Kumari Puja and balidan. The day ends with Sandhi Puja, and according to mythology, is believed that 'Sandhi Kal' is the exact time at which Devi Durga killed the notorious demon pair, Chanda and Munda. People wish Subho Ashtami to each other on this day.