[Advaita-l] Sringeri Panchanga
svenkat52 at gmail.com
Thu Apr 14 09:04:17 CDT 2016
It is in the conversion of Sayana to Nirayana that there emerges a chink in your scientific observation argument. The star that pointed to Mesha 0 degrees, it seems, has vanished. So most ayanamsas are derived on the basis of an arbitrarily decided date on which sages like Parashara or Varamihira are supposed to have written their astrology classics. On that date it is assumed that the Sayana and Nirayana zodiacs were in total alignment. It is scientifically determined that every year Mesha 0 deg of Sayana zodiac precedes by 50 secs. So from that arbitrarily decided date, total degree of precession of equinoxes till the current year (Durmukhi for us) or ayanamsa is calculated and the same is deducted from the Sayana degrees of various planets to arrive at their Nirayana degrees. And there are more ayanamsas than can be counted on the fingers of both hands. The most popular among the ayanamsas is the Lahiri ayanamsa which is adopted by the calendar reforms committee of Govt of India. So as you can see there is absolutely nothing that is very scientific about the determination of Nirayana zodiac. All the science that is involved in the determination of the Sayana zodiac which is based on actual observations is lost in the translation to the Nirayana zodiac. Since the drikganita Panchangs are based on Nirayana zodiac they are as reliable as the ayanamsa on which they are based. Kanchi mutt's panchang is based on Lahiri ayanamsa.
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> On 14-Apr-2016, at 5:27 PM, D.V.N.Sarma డి.వి.ఎన్.శర్మ via Advaita-l <advaita-l at lists.advaita-vedanta.org> wrote:
>> Do you think there are 28 days in February and 31 days in August because
> of "Science"?
> Yes, sir. Whether it is adhikamasa or kshayamasa or 28 or 29 days in
> February are done for purpose of adjusting our calender to the accurate
> length of the year which Astronomical science determines with
> progressively increasing accuracy.
>> But a tithi or rashi is cultural.
> Tithi is the visible fraction of the orb of the moon. This can be
> calculated only with careful deduction of the motions of the moon and earth
> from observation.
> There are two types of Rasis in vogue. Sayana and Nirayana. Sayana Rasis
> are counted from vernal equinox as the start of Mesha rasi deviding Zodiac
> into 12 equal parts. This needs observation.
> Nirayana rasis used by astrologers are supposed to start with star group
> called Ashwani. I do not know whether they take the first of the two
> bright stars as the first point of mesha or the the first point of the
> castellation Mesha (consisting of multiple stars) as the first point.
> Either way observation is needed.
> On Thu, Apr 14, 2016 at 4:21 PM, Jaldhar H. Vyas via Advaita-l <
> advaita-l at lists.advaita-vedanta.org> wrote:
>> On Thu, 14 Apr 2016, H S Chandramouli wrote:
>> Please clarify. By drksiddha are you referring to DrikGanitha or
>>> something else ??
>> Yes. Drksiddha or khagolasiddha refers to the method of ganita used.
>> Jaldhar H. Vyas <jaldhar at braincells.com>
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