Aksharabhyasam on Moola Nakshatra in Navaratri is very significant as Moola Nakshatram is the Janma Nakshatra of Goddess Saraswati Devi. In 2015, Moola Nakshatram during Navaratri date is October 19, Monday.
In 2015, Moola Nakshatra Pustaka roopini Puja, Saraswati Triratra Vratam or Saraswati Puja starts on the same day.
Moola Nakshatra Puja is most famous and most crowd-pulling Navaratri puja in Vijayawada Kanakadurga Temple.
In Kerala, Aksharabhyasam is celebrated on Vijayadashami as ‘Vidhyarambham’.