ब्राह्मस्फुटसिद्धान्त (ब्रह्मगुप्त - शून्य, कुट्टक, बीजगणित एवं सम्पूर्ण २१ अध्याय सान्वय सटीक)

Brahmasphuta Siddhanta of Brahmagupta with Commentary

आचार्य ब्रह्मगुप्त द्वारा

DevanagariHindipublished737 पृष्ठ

पृष्ठ 119, कुल 737 में से

पृष्ठ 119

ĀRYABHAṬA AND BRAHMAGUPTA CONTROVERSY 79

Topic	BrŚpSi	SūSi	MBh	MSi	SiŚe	SiŚi
Moonrise and elevation of lunar horns	VII, XVII	X	VI	VII, VIII	X	IX
Pāta	XIV	XI	VII	XIII	VIII	XII
Cosmogony and geography	XXII	XII		XVI		II.iii
Astrono. instruments	XXIII	XIII	III		XIX	II.xi
Time reckoning	XXIV	XIV				I.i
Āryabhaṭa and Brahmagupta Controversy
The scientific Indian astronomy was more or less created by
Āryabhaṭa I (476 A. D.). It is said that he was the teacher of
two distinct systems of astronomy, one of which is called the
audayika system, and the other the ardharātrika system.
In the first, the astronomical day is taken to begin at sunrise
at Laṅkā, and in the other, the same begins at the midnight of
the same place. In the Khaṇḍakhādyaka Brahmagupta gives
compendious rules for the calculation of longitudes, etc, of
planets according to the ardharātrika system of Āryabhaṭa I.
In this connection, he refers to Āryabhaṭa in the following
words in his Khaṇḍakhādyaka :
Having made obeisance to God Mahādeva, who is the great
cause of this world's rise (i. e. creation), existence, and
destruction, I shall declare the Khaṇḍakhādyaka which
will yield the same results as the great astronomical
treatise of Āryabhaṭa.¹
As in most cases calculation by the great work of Ārya-
bhaṭa, for (the knowledge of time and longitude of
planets etc. at) marriage, nativity and the like is
impracticable for common use every day, this smaller

प्रणिपत्य महादेवं जगदुत्पत्तिस्थितिप्रलयहेतुम् । वक्ष्यामि खण्डखाद्यकमाचार्यार्य्यभटतुल्यफलम् ॥