Birth date of Nilakantha Somayaji (Kali Day No.1660181)

[Narayan Prasad]

Dear Members,

   

        I would like to point out the error in the birth date of the Kerala astronomer, Nilakantha Somayaji, in Roman Calendar indicated by Shri K.V. Sarma.

Shri Sarma has quoted Nilakantha Somayaji's birth date in Kali Day No. as 1660181:

   "Here, Nilakantha himself says that he was born on the Kali Day 1660181, which works out to AD 1443, Dec." (Siddhanta Darpana, p.xxvi)

In the "Tantra-sangraha", he has corrected this birth date in Roman Calendar: "... Kali Day 1660181, which works out to AD 1444, June 14." (p.xxxvi)

As per my calculations, the birth date works out to be AD 1444, June 17 (Wed).

I would like to know the views of other members.

Best regards

Narayan Prasad

[Narayan Prasad]

<<As per my calculations, the birth date works out to be AD 1444, June 17 (Wed).>>

For details of calculations (tables) please refer to the following article (in Hindi):

कलियुगादि अहर्गण बनाम जुलियन दिवस संख्या

--- Narayan Prasad

[Mahesh K]

आदरणीय नारायण प्रसाद महोदय !

The Kali day 1660181 mentioned by Nilakantha as his birth date corresponds to June 17, 1444 CE only. This can be confirmed from the recent edition of Tantrasaṅgraha brought out in 2011. 
(Ref: Tantrasaṅgraha of Nīlakaṇṭha Somayājī, K.Ramasubramanian and M.S.Sriram, Hindustan Book Agency, New Delhi, 2011. p.xxxv).  

I am enclosing a snap shot of the relevant page for ready reference. The date of June 14, that you find in Prof. K. V. Sarma's edition  in page xxxvi could be a typo.

-Regards,
Dr. Mahesh

Research Scientist

IIT Bombay, Mumbai

[Narayan Prasad]

Thank you so much Dr Mahesh for your reply and latest information.

Best regards

Narayan Prasad

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