When are 'Ashtami' & 'Navami' this Navratri. 'Ashtami' will begin at 8:27 AM on October 18 and will end at 10:51 AM on October 19, according to Drik Panchang. While some calendar calculations favour observing 'Ashtami' on October 19, certain astrological interpretations consider October 18 more auspicious. 'Navami' will begin at 10:51 AM on October 19 and will continue until 12:50 PM on October 20.