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162
EPIGRAPHIA INDICA,
(VOL. XV.
TABLE A DITTERENCE BETWEEN MOMENTS OF XBAN MĒSHA-BAMEBÅNTI, AB CALOULATED BY THE ARTA
SIDDHANTA AND SIDDHANTA-SIROMAŅI. To obtain the moment of mean M. S. by the Siddhanta-Siromani deduct the time-difference in the
Table from the time given for the same according to the Arya-Siddhanta in Tablo I.
"Indian Calendar." Did.
Din. in Time-difference. in Time-difference. in Time-difference. in Time-difference. years.
Di.
DYE.
YGATE.
years
year.
-
LIran có 9 ****
1,000 2.000 8,000 4000 5,000
1111
co
-
3
9
a
The Table given in Indian Chronography, p. 27, for calculating the bodhya at different dates, during the period covered by Table LX below according to the Siddhanta-Siromani, is also here reproduced to save reference.
TABLE B. VALUE OF GODIYA BY THE SIDDHINTA-ŠIROMANI. Dr. Schram's fixtures.
Discrence between şiddha..
Siro. and Arya-Siddl. In A.D. Exact value of födhya.
value of födhya.
For work by shorter rule.
In K. Y.
year expired.
AF
18
4200 4300 4400 4500 4800 4700 4800
19
1099-1100 1199-1200 1299-1300 1399-1400 1499-1500 1599-1600 1699-1700
I feu
19
49-000
4-975 20-950 36-925 52.900
8-675 24-860
19.000 34-975 50-950
6.925 29.900 38-875 54-850
19
20
Longer rule. Take time of true Méabs-sarinkranti by the Arya-Siddhanta from Table 1, Indian Calendar, adding 30 in odd A.D. years (Indian Chronography, Hint 20, p. 79). Add Arya-Siddhanta födhya (constant) 2 3 32" 30". This gives mean M. S. by A. S. Deduct time-differefice (Table 4, above) for interval of years from K. Y. O, and so find mean M. S. by Siddhanta-Siromari. Deduct Siddhanta-Siromapi födhya (Table B, col. 8). This gives the required true Mesha-sankranti time by Siddhanta-Siromani.
Work approximately, if this is considered sufficient, by whole minutos, ignoring seconds and decimalo.
Shorter rule. Take time of true Mosba-sankranti by the Arya-Siddhanta from Tablo 1, Indian Calendar. From this deduct the sum of the amounts for time-difference for interval of years (Table 4) and the difference given in col. 4, Table B.
For examples of work see Indian Chronography, p. 27, 8 62 H, where the system is shewn approximately in wholo minutes. It can be extended into seconds and decimals, if necesars.
(ii) The shift of the sun's apsis. The constant forward shift of the sun's line of apsides slightly affects the moment in each year when the true son reaches 0°, the moment of true Mosha
