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Victory be to the Lord Shri Krishna Chaitanya
Shri Siddhanta Shiromani
Grahaganitaadhyaya
By
Shri BhaskaracharyaAnd the Vaasanaa commentary on that
Along with Bengali translations by
Shri Bimala Prasada Siddhanta SaraswatiAnd edited by him
For the students of Saraswat Chatushpathi
Published in the Jyotirvida Magaine
In the year 4271after the birth of Lord Chaitanya
!"hat is #$ !%&' ( %)* + #$ !,!-
7/24/2019 Introduction Siromani
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Introduction
#fter days of sincere and dedicated efforts. the
Grahaganitaadhyaya/Cos0ology1 part of the Siddhanta Shiromaniis being published in this Jyotirvida Magaine with its original
Sans2rit. Vaasanaa co00entary and its translation in 3engali4
#lready the Golaadhyaya of this boo2 with its original Sans2rit.
Vaasanaa Co00entary and translations in 3engali has been
published in the VrihaspatiMagaine4 "he original Shri Siddhnata
Shiromani wor2 by Bhaskaracharya has four parts4 Lilavati or
#rith0etic and #lgebra. although not for0ing part of cos0ology. are
i0portant basic readings as introductions to cos0ology4Considering the special ability of Shri Bhaskaracharya in
0athe0atics and also his ability to clearly and si0ply present even
the co0ple5 of co0ple5 theories in 0athe0atics 0a2es hi0 the
undisputed leader a0ongst the astrono0ers4 "he Siddhanta
Shiromani of Shri Bhaskara can be said to be an elaborate
co00entary on Shri Surya Siddhanta. #lthough in certain places the
figures of Shri Bhaskaradiffer with Shri Surya Siddhanta. inspite of
this these two boo2s are considered as the stalwarts of ancient 6indu
astrono0y4
7e are ac8uainted with two types of astrono0y.
Mathe0atical #strono0y and #pplied #strono0y4 Mathe0atical
#strono0y has four sub9categories : Siddhanta, antra, !arana
and Saarinii4 "he branch of 0athe0atical astrono0y based on
observation of planets and stars and 0athe0atical aspect of the0 is
called Siddhanta4 "he branch of 0athe0atical astrono0y dealing
with the hypotheses on Siddhanta and its elaborate e5planation is
called antra4 "he branch of 0athe0atical astrono0y based onusable 0athe0atics which is used to deter0ine the results of
Siddhanta is called !arana4 "he tables of calculations 0ade using
the!aranate5ts for Calenders etc are called Saarinii4 ;5a0ples of
Siddhnataare the Shri Surya Siddhantaand eighteen si0ilar te5ts