The Ashtami of Navaratri is believed to extremely auspicious for the worship of the Maha Gauri form of Durga Mata; many devote Hindus keep a fast on this day and worship Maha Gauri.
The day is as said above, extremely beneficial for removing hardships, deprivation, and making a new beginning in life by removing all the bad baggage of the past.
The faithful can meditate upon any of the Mantras dedicated towards Mahagauri. The one, which, I had given – Here - Shakti Mantra of Gauri, some time back can also be chanted. While chanting the Mantra, the chanter should visualize the Goddess as being youthful, fair, and beautiful and of a glowing golden white complexion.