234 ON THE HINDU 



it seems, they had no knowledge of the precession 

 of the equinoxes at that time. 



The number of mean solar days assigned to this 

 cycle of five years was 1830, and the number of 

 lunar days in the same time I860. Hence 

 1st, The solar ^ _ 



days in a year, . j - '"^ = 356 days 



2d, The lunar) 



days \\\ a year, .is ■" ^7a 



3d, The moon's ■^ r. s. • ' " 



mean annual mo- >=: — ^ = 1,3 — 4 24—0 



5 



tion 



4th, The moon's I _ ,_^^_ _ ^^ ^^ 



daily motion . . 3 isso -^ei 



days. h. m. sec. 



5th, llie moon s 7 _ , 3 ^^ o _ ^y >y gj 20 -tii 



periodical re vol. .) ^ '^ "^ ^ ' 



' 6th The moon's, _^^_ j^ ^3 ,3 



•synodical revol. 3 6 2—*^ -^ ^ 



It appears also, that the greatest length of the 

 day was thirtv-two Dandas, or twelve hours, 

 forty-eight minutes ; consequently, the latitude of 

 the place of observation must have been about 

 134-" North. There is no mention made in this 

 work, nor in that of Para sara, of the names of 



* Cadmus, about fifteen centuries before Christ, intro- 

 duced the Octateris, or cycle of eight years, into Greece. In 

 ihis cycle there were ninety-nine lunations, of thirty lunar days 

 each. Therefore, 



The lunar days in the cycle were, -^ 2970 



The lunar days in a year, = -^^^ = 37H 



The ancient Hindus made it as above, 372 



The difference is | of a lunar day, which being taken from 366 

 the solar days, leave 3654- days for the year of Cadmus,— this 



in eight years makes 2922 solar days— Hence, ^^ =29 12 21 



ttc. »>. sec. 



49Vt the lunation of Cadmus, which is 1 24 short of the an- 

 cient Hindu lunation. 



