Maha Navami 2022 will be celebrated on October 4. Maha Navami is an important celebration as the cusp of Ashtami and Navami is when the Sandhi Puja is conducted. This celebration also marks the last day of Navaratri. Maha Navami celebrations begin with Mahasnan and Shodashopachar Puja and people often observe stringent fasts.