Dwaraka Matha – 506 B.C
The ‘Vimarsa’ written by a former Acharya of the Dvaraka Matha, in 1872 records the incarnation of Sri Adi Sankaracharya as on Vaisakha Shukla panchami of the year 2631 of Yudhishtira Saka = 506 B.C.
Puri Govardhan Matha – 509 B.C
The ‘Yati-Dandaishvarya-Vidhanam’,book published as No.4 of the Govardhan Sankaracharya Math Granthamala, Puri (Orissa), in 1986, assigns Sri Sankaracharya’s advent in 509 B.C.
Jyotir Matha – 509 B.C
The ‘Mathaanusasana’, by Dandi Swami Advaitananda Sarasvathi, a Jyotir Matha Vibhaga publication of the year 1946, gives the year of birth of Sri Sankaracharya as 509 B.C.