samvatsara in BPHS

[Guest guest]

>Don't attempt to make the lunar month coincide with

>Ritu..it will not work.ritu's are based on

>Sankranti's and are made to synchronise with the

Makar

>sankranti. The Vishnu Purana talks about a Tropical

>calendar that is the Tropical zodiac where the Ritu's

>are based on the phenomena experienced in

>the Antariksha i.e. space and happenings within this

>solar system whereas the Niryana zodiac gos beyond

>and considers the swarga as well and hence the

>ayanamsa has also got to be considered. Seasons are

>based on the transit of the Sun in the tropical

>sunsigns. This is further extended into the niryana

>zodiac for the purpose of jyotish and natal horoscopy

>etc.

>With best wishes

>Sanjay Rath

>http://sanjayrath.tripod.com

 

Dear Sanjay and learned members,

 

SankrAnti-s or maasa-s are nakSatra based. Seasons or

r`tu-s precess due to earth axis precession - one

round wrt any earth orbit reference point in 24,000

seasonal years. R`tu-s or seasons are experienced on

earth, not in antarikSa (which in Vedic cosmology is

the edge of any of the 7 pariDhi-s or mandala-s)!

 

Ayana-s, r`tu-s, seasons - all go together. R`tu-s and

seasons are divisions within the two ayana-s.

 

The so-called Jupiter year is not 12 earth tropical

years. It is some 10% less - big error in the long

run! Samvatsara on earth has no connection to Jupiter

at all, although this error had crept in long

ago.

 

 

I also see the confusion in these threads - " if it is

ayana, it is solar " , etc. Then what is the difference

between tropical and solar? What is a solar year? What

is the reference point in a solar year?

 

If the year got longer in #s of days, the day-night

cycle also got longer - earth spinning on its axis

slows down just as it going around Sun slows down even

now. But even 10-20,000 years ago it was not much

far of from present speeds of motions to cause 4-5

days of difference.

 

 

Regarding the following paragraphy in these threads:

 

> " There is at least a ~100,000 year cycle shift

>between elliptical and circular orbit, and it seems

>that the Earth is also somewhat pushed outwards

>by the Sun, which would cause a longer year to my

>understanding

http://solar->center.stanford.edu/FAQ/Qsunendstate.html "

by cjohns.

 

This 100K cycle has no logical proof, except

constructing proof based on

simulations(paleoclimatology), rock layers, sediments,

oxygen isotopes et al. Milankovitch theorists were

proposed this.

 

A Causality Problem for Milankovitch-

http://muller.lbl.gov/papers/Causality.pdf

 

Read the above cited paper and various opinions of

scientists. You will notice that milankovitch cycles

are not true in terms of

exactitude(milankovitch-obliquity cycle ~40K years,

eccentricity cycle ~100K years). Ancient hindu

shaastra-s talk about eccentricity cycles too.

 

 

Best Regards,

VR

 

 

 

 

 

Visti Larsen [vishnu@l...]

Thursday, July 04, 2002 4:53 PM

vedic astrology

Re: [vedic astrology] Re: Samvatsara in BPHS

 

 

Vyam Vysadevaya Namah

--------------------------

Dear Jaan,

Yes the Ayana is year, akin to the northern/southern

course of the Sun

called Uttara and Dakshin Ayana respectively.

This is in one of the first lessons of Varahimihira.

 

The guidelines for Nasta Jatakam are;

 

1. Find the position of Jupiter, this indicates the

year.

2. Find the Season(rtu), and Solar Month.

2a. Some can also find the lunar month.

3. Find the Lunar; Rasi, Nakshetra and Tithi

respectively.

4. Find the lagna.

 

I find the greatest obstacles in points; 2a and 3,

which are unclear to me.

Some would even say that the methods of finding many

of these placements are

contradictory, however i believe this to be untrue,

and am sure we just need

a propper understanding of each principle.

 

These principles can be found in Bphs, Saraveli,

Brihat Jataka, Hora Sara,

and there are some more clues in Sarvath Chintamani as

well as other

classics.

 

Best wishes, Visti.

 

-

cjjohans

vedic astrology

Thursday, July 04, 2002 12:24 PM

[vedic astrology] Re: Samvatsara in BPHS

 

 

vedic astrology, " Visti Larsen "

<vishnu@l...> wrote:

> Vyam Vysadevaya Namah

> ------------------

> Dear Jan(i think),

> I was thinking about the exact same thing yesterday,

and felt there

must be an error somewhere.

>

> There are indeed 12 Samvatsara in a 60 year cycle,

so if this

method given by Parasara relates to finding this 1

samvatsara, then

we still need to pick 1 out of 5 years. This doesn't

make sense at

all.

>

What I understand is samvatsara (one may of course

have different

opinions) is a Jupiter year, which is slightly longer

than a solar

year. Shyamasundara Dasa mentions this definition on

his website.

There are 5 x 12 such samvatsaras in a 60 year cycle.

(The 60 year

cycle seems best explained by that Jupiter and Saturn

conjunct in

about the same place after 60 years).

 

What doesn't make sense to me in that chapter, is that

it implies

a samvatsara is divided into two ayanas. But one can

see it also like

that the samvatsara is only the indicator for the

year, and not the

actual year. It doesn't mention any year conversion

however.

 

On a related note I found in the Kurma Purana a

description where

the year is divided into two ayanas (therefore solar).

http://161.58.183.97/puranas/puranas.asp?id=4 & page=3

 

The reason why that ideal 360 day solar year no longer

works,

may be that the Earth's orbit has changed since

creation. There is at

least a ~100,000 year cycle shift between elliptical

and circular

orbit, and it seems that the Earth is also somewhat

pushed outwards

by the Sun, which would cause a longer year to my

understanding

http://solar-center.stanford.edu/FAQ/Qsunendstate.html

 

 

 

 

 

 

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