﻿OF THE HINDUS 2S3 



of day and night, and rhe time counted from sunrises, 

 or hour of the cjvil day when the eclipse win happen, 



1st. For the ayanansa or distance of the vernal equi- 



Periods. 



nox from the ist of Mesha. 7 J«2i£!£24^££? = (271650) 

 8* 4 3 1 ' 30" 5 2'" of v ■ ich take the bhujd 8 s 4 3 1 ' 30" 

 52'"— 6 s =2 s 4 3i'3o" 52 'which multiply by three, and 

 divide by ten, **?£ 5t * 3 = 19° 21' 27" the ayan- 

 dhsa, which in th 1 present age is added to the sun's 

 longitude, to f* id his distance from the vernal equi- 

 nox. The sun's equated longitude is 6s 19 54' 1 1", 

 and Cs 19° 54' 11" x 19" 21' 27' = js 9 15' 38" 

 his distance from the vernal equinox. 



2c/. Foif'the declination, right ascension, and 

 ascensional difference. The sun's place is ys 9 

 15' 38", and 15 9 15' 38" his distance from 

 the autumnal equinox; the sine of which is 2174' 

 41", and as radius is to the sine of the greatest de- 

 clination 24 , termed the paramapacramajya 1397', 

 so is 2174. 41 to the sine of his declination 883' 40'% 

 the arc corresponding with which, in the canon of 



sines, is 14 53', ( — 3433 — =083 40 ). Theequi- 



a v . _ ^ 



noctial shadow at BhagaJpur is? 5, 3°> an< ^' as tne 

 Gnomon of twelve angalas is toxhe equinoctial sha- 



dow^»go is the sine of the declination 883, 40, to the 

 a v 



cshitijya, " "°^,J "* =405' 1". And as the co-sine 



of the declination is to radius, so is the cshitijya to 



the sine of the chara, or ascensional difference, 



4 °3 3 I t f^ 3 -=^4i9 / V : its arc is 4 T 9' 56" the ascen- 

 sional difference. 



3 d. For the length of the day and night. 



The modern Hindus make their computations in 

 mean solar times the Surym Sidafanta- directs, that 



