Hours which are past midnight are suffixed with next day date. In Panchang day starts and ends with sunrise.
Shakambhari Navratri begins on Paush Shukla Ashtami and ends on Paush Purnima. Paush Shukla Ashtami is known as Banada Ashtami or Banadashtami.
Most Navratri begins on Shukla Pratipada except Shakambhari Navratri which begins on Ashtami and ends on Purnima. Hence Shakambhari Navratri spans for total eight days. However in some years due to skipped Tithi and leaped Tithi Shakambhari Navratri might span for seven and nine days respectively.
Shakambhari Mata is incarnation of Devi Bhagwati. It is believed that Devi Bhagwati incarnated as Shakambhari to mitigate famine and severe food crisis on the Earth. She is also known as Goddess of vegetables, fruits and green leaves and depicted with green surroundings of fruits and vegetables.
Shakambhari Navratri culminates on Paush Purnima which is also known as Shakambhari Purnima. Shakambhari Purnima is also known as Shakambhari Jayanti as it is believed that Devi Shakambhari was incarnated on the very same day.
Shakambhari Navratri is popular in Rajasthan, Uttar Pradesh, Karnataka, Maharashtra and some parts of Tamil Nadu. In Karnataka, Shakambhari Devi is known as Banashankari Devi and Banada Ashtami is an important day during Navratri.