Page:English translation of the Surya Siddhanta and the Siddhanta Siromani by Sastri, 1861.djvu/13

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one sign[1] of the Zodiac to the next. A solar year consists of twelve solar months; and this is called a day of the Gods.

The length of the year of
the Gods and Demons.
14. An Ahorátra (day and night) of the Gods and that of the Demons are mutually the reverse of each other, (viz. a day of the Gods is the night of the Demons; and conversely, a night of the Gods is the day of the Demons). Sixty Ahorátras, multiplied by six, make a year of the Gods and Demons.

15 & 16. The time containing twelve thousand years of the Gods is called a Chaturyuga (the aggregate of the four yugas, Krịta, Treṭá, Dwápara and Kali).

These four yugas including their Sandhyá[2] and Sandhyáns'a contain 4,320,000 solar years.

The numbers of years included in these four small yugas are proportional to the numbers of the legs of Dharma[3] (virtue personified).

The length of the four
small yugas.
17. The tenth part of 4,320,000 the number of years in a great yuga, multiplied by 4, 3, 2, 1 respectively make up the years of each of the four yugas, Krịta and others, the years of each yuga include their own sixth part, which is collectively the number of years of Sandhyá and Sandhyáns'a, (the periods at the commencement and expiration of each yuga).

The length of a period
called Manu and that of its Sandhi.
18. (According to the technicality of time called Múrta,) 71 great yugas (containing 306,720,000 solar years) constitute a Manwantara (a period from the beginning of a
  1. It is to be observed here that the signs Aries, Taurus, &c., are reckoned from the star Revatí (ζ Piscium,) and a solar year corresponds to a sidereal year. B. D.
  2. These two words will be explained in the sequel. B. D.
  3. It is stated that Dharma stands with four legs in the Krịta, with three legs in the Treṭá, with two legs in the Dwápara and and with one leg in the Kali. Therefore the number of the years of the Krịta, Treṭá, Dwápara, and Kali are proportional to 4, 3, 2 and 1 respectively. B. D.