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The Surya Siddhanta (IAST: Sūrya Siddhānta; lit. ' Sun Treatise ' ) is a Sanskrit treatise in Indian astronomy dated to 4th to 5th century, [ 1 ] [ 2 ] in fourteen chapters. [ 3 ] [ 4 ] [ 5 ] The Surya Siddhanta describes rules to calculate the motions of various planets and the moon relative to various constellations , diameters of various ...
Surya Siddhānta: Varahamihira (6th century CE) 3,200 yojana Bhāskara I (c. 600 – c. 680 CE) 1,050 or 1600 yojana Brahmagupta (c. 598 – c. 668 CE) 1,581 yojana 5,000 yojana Bhāskara II (1114–1185 CE) 1,581 yojana 4,967 yojana Nilakantha Somayaji (1444 – 1545 CE) 3,300 yojana
The Surya Siddhanta (1.10–21) describes units of time from a respiration (prana) [50] up to the 100-year lifespan of Brahma (maha-kalpa). [ 51 ] lokānām antakṛt kālaḥ kālo 'nyaḥ kalanātmakaḥ ।
The text today known as Surya Siddhanta dates to the Gupta period and was received by Aryabhata. The classical era of Indian astronomy begins in the late Gupta era, in the 5th to 6th centuries. The Pañcasiddhāntikā by Varāhamihira (505 CE) approximates the method for determination of the meridian direction from any three positions of the ...
Surya Siddhanta, Ch. 1: [10] (13) ... twelve months make a year. This is called a day of the gods. (14) ... Six times sixty [360] of them are a year of the gods ... (15) Twelve thousand of these divine years are denominated a Quadruple Age (caturyuga); of ten thousand times four hundred and thirty-two [4,320,000] solar years (18) One and ...
First page of a manuscript of the astronomical table text Makarandasarini (Internet Archive)Makarandasāriṇi is a Sanskrit astronomical table text composed by the Indian astronomer-mathematician Makaranda (c.1438-1478) hailing from Varanasi.
Translation of the Surya Siddhanta – a text-book of Hindu astronomy (PDF). University of Calcutta. Ketkar, Venkatesh Bapuji (1923). "Indian and Foreign Chronology". Journal of the Asiatic Society of Bombay (75, Part 1). British Indian Press. Mercier, Raymond (2018). Astronomical Computations for the History of Indian Astronomy.
The dominant of the three was the trepidation described by the most respected Indian astronomical treatise, the Surya Siddhanta (3:9–12), composed c. 400 but revised during the next few centuries. It used a sidereal epoch, or ayanamsa , that is still used by all Indian calendars , varying over the ecliptic longitude of 19°11′ to 23°51 ...