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The Secret Behind Vimshottari Dasha SystemThere are many types of Dashs, ten of which are based on Nakshatras. Vimshottari Dash is held to be the most important Dash System in Jyotisha of Vedic-Purnic tradition. Most often, astrologers of this tradition do not even take into consideration other dash systems and base their conclusions solely upon Vimshottari.
Following points must be considered before deciding anything in this regard :
(1) BPHS (Brihat Parashara Hora Shastra) never said solar year should should be used for Vimshottari;(2) BPHS clearly said that Vimshottari must be computed from Moon's position and not from Sun's position; (3) Vimshottari year is of 360 days which may have two meanings : lurar year of 360 tithis or savana year of 360 days, but this savana year of 360 days is a later myth with neither any scientific validity supporting any solar cycle of 360 days nor any basis in ancient sisshantas, and (4) the final proof is Suryasiddhantic software 'Kundalee' which must be tested before rushing to conclusions.
Vimshottari is the most important dasha system according to all "authorities" , but owing to wrong methods of its computation, it has become less precise ; as a result instead of rectifying their own errors some modern messiahs are giving more weight other dasha systems, some of which are not even mentioned in BPHS. But if ancient method of computation is used, Vimshottari Dasha proves to be to be the most influential dasha system
But there are two obstacles which prevent accurate timing of events with the help of vimshottari system. One is the use of Drik-pakshiya mathematics, ie, modern astronomy , for finding true longitudes of planets and ascendant, etc. Second problem is the use of solar year for reckoning, in spite of the fact that all ancient texts explicitly mention that the year of vimshottari system comprises of 360 days only. Due to these two errors, the timing of events in vimshottari system errs by many years.
Vimshottari system is based upon lunar nakshatra, hence its year ought to be lunar. Indian tradition year is a ccombination of solar and lunar, known as luni-solar year, like other ancient systems. In lunar year, there are 360 tithis or lunar days, which is the year of vimshottari system. 360 tithis are equal to 354.37 solar days. Therefore, there is a difference of 3% between solar year and vimshottari year. Add to this 3% error the difference on account of Drik-pakshiya and Saur-pakshiya positions of Moon. Drik-pakshiya world is the phenomenal sensory world , which is manifest to human sense organs. It is the material world. Saur-pakshiya world is the non-material world in which deities reside. All ancient texts of Vedic-Purnic tradition say that the Grahas of Jyotisha are gods and are diverse incarnations of God. God and gods are conscious entities and it is wrong to conceptualize them as material bodies. Material planets intruded into astrology only during past one or two millenia, but even today there are a large number of astrologers in India who refuse to accept computer softwares based upon modern astronomy, and use traditional almanacs or panchngas. These traditional panchngas are crudely made, yet the vimshottari timings based upon them prove to be far more accurate than those based upon materialist astronomy. Now, highly precise software based upon traditional Surya-siddhntic system is also in the market, distributed as a freeware for philanthropic purpose. If birth-time is approximately correct, and few very good or very bad events in the life of a person is known, then precise birth-time can be fixed, and thereafter very accurate forecasts can be drawn from this software, accurate upto prna-dash. This software has been tested for natural disasters like floods, earthquakes, cyclones, etc and the result is 100% positive. Total annual and fortnightly (actually, during solar nakshatra) rainfall data of past 135 years of India have been tested, and this software is 100% accurate. But this software is not based upon the faulty interpretation of Surya-siddhnta by E. Burgess. Instead, ancient Surya-siddhntic methods have been used in it.
The maximum amount of correction made in mean Moon according to Surya-siddhnta is nearly 1.5 degrees less than that made according to modern astronomy. It is nearly 1 / 9 of a nakshatra which is equal to 13:20 . Due to this factor alone, vomshottari period of Venus, Saturn and Rahu (lunar node) will vary by 2 years and more. Add to it the difference due to descrepancies between Surya-siddhntic mean Moon with the mean Moon of materialist astronomy. And then add the 3% error due to wrong year imposed upon vimshottari system. Total error in timing of vimshottari dashs will be over 5 years in modern era, when differences between mean planets of Surya-siddhnta show minimum divergence from those of materialist astronomy. In distant ages, the difference was greater. In 21000 years, difference between Drik-pakshiya and Saur-pakshiya positions of planets increases by 180. Within a few centuries, Drik-pakshiya astronomy will lose its charm in astrology as vimshottari dashs will show intolerable errors.
Even today, Drik-pakshiya astronomy gives errors of 5 years in timing of vimshottari dashs. As a result, 19% of Mah-dashs and a much greater portion of antar-dashs are wrong. Pratyantar, sukshma and prna dashs are almost always in the wrong. As a result, astrologers take a recourse to other dash systems, palmistry, numerology, etc for satisfying their clients. Very few persons are trying to test the Surya-siddhntic software, due to the venomous propaganda against Surya-siddhnta by materialists. Surya-siddhnta is not a text of materialist astronomy, and it is interpreted materialistically by materialists, by comparison with planetary positions. The proof of Surya-siddhnta is Phalit Jyotisha ( predictive astrology) based upon it, it is wrong to use modern astronomy as a yardstick for testing the reliability of Surya-siddhnta. I have met persons who refuse to test Surya-siddhntic software of Phalit Jyotisha named 'Kundalee', calling Surya-siddhnta to be an outdated and useless work ! Even criminals get a chance to prove themselves, but Surya-siddhnta is denied this chance in a materialist age. By rejecting the only accurate method of astrology, who will prove to be a loser ?
Now let us talk about the design of Vimshottari system. Arrange the planets according to the plan as depicted in upper picture. This arrangement is based upon planetary distances. Omit Rahu, Ketu and Moon initially, which are not full planets. Inner planets, including Sun, are in the right half of the upper picture. Outer planets are on the left side of the upper picture. Now add up their duration of years as given in the vimshottari dash system. In left half, we get
(Saturn 19) + (Jupiter 16) + (Mars 7) = 42 years
and in right half we get
(Mercury 17) + (Venus 20) + (Sun 6) = 43 years
Total of all 9 planets is 120 lunar years in the vimshottari system. Both halves should have 60 years each. Left half in upper picture has a deficit of 18 years, which only Rahu can give, and right half has a deficit of 17 years which only a combination of Ketu and Moon can supply. Thus we get the lower picture of vimshottari dash system. Rahu and Ketu must be placed opposite to each other, and Moon should be placed alongwith the Sun but not between Sun and any planet ( i.e., Venus). It is safe to put Rahu and Ketu away from Sun and Moon . Since distances from the Sun was the basis of this plan, vimshottari dash system ought to start with Sun. As in the lower picture, we get the sequence Sun : Moon : Mars : Rahu : Jupiter : Saturn : Mercury : Ketu : Venus which is the sequence given in all ancient texts, esp. by Sage Parshara.
In adhyya 3, khanda 16 of Chndogya Upanishada, there are 7 shlokas which describe three stages in the lifespan of a person, being of 24, 44 and 48 years respectively, which are the number of syllables in three important Vedic metres Gayatri, Trishtup and Jagati. Total lifespan of a human being is here said to be of 116 years.
In Vimshottari dash system full lifespan of a human being is equal to 120 lunar years, which is equal to 116.4 solar years which, when rounded off, is same as that given in the Chndogya Upanishada.
One question remains to be answered : what is the rationale behind the number of years assigned to different planets in the vimshottari dash system ? Who will find a plausible answer to this intriguing question ? Non-Indian Variants of Vimshottari System
Details about the mediaeval dashaa system Firdaria can be viewed at many websites ,such as :
http://www.skyscript.co.uk/gl/firdar.html , http://firdaria.com/method.php
"Firdaria" is etymologically related to same root (Greek : periodos , Sanskrit : Paridhi )) from which English word "period" has been derived. In Firdaria system, for diurnal charts the period begins with the Sun, Venus, Mercury, Moon, Saturn, Jupiter , Mars, Rahu and Ketu. Each one has a different time range : Sun 10 years, Venus 8 , Mercury 13, Moon 9, Saturn 11, Jupiter 12, Mars 7, Rahu 3 and Ketu 2 years. For nocturnal charts, the period begins with the Moon, Saturn, Jupiter, Mars, Rahu, Ketu, Sun, Venus, Mercury , each planet having same durations. "
If Moon, Rahu and Ketu are omitted, both diurnal and nocturnal sequences in Firdaria system are as follows :
Sun, Venus, Mercury, Saturn, Jupiter, Mars : ( Diurnal ): ( Nocturnal )
The nocturnal sequence is same as the diurnal, only the starting poing is different, Moon instead of the S