This section is from the book "The Brihat Jataka Of Varaha Mihira", by N. Chidambaram Aiyar. Also available from Amazon: Brihat Jataka of Varahamihira.
(a) According to some Commentators the word Tri-kona in the text is interpreted as Moola-Trikona, that is, sign Virgo here. But this is opposed to the opinion of Garga.
(b) That is, the last Navamsas of the signs Cancer, Scorpio and Pisces.
(c) But if malefic planets aspect the Moon, the child will never speak; if both malefic and benefic planets aspect the Moon, the effects will follow the powerful planets.
18. If Saturn and Mars occupy either the signs or the Navamsas (a) of Mercury, the issue will be a child born with teeth. If Cancer be the rising sign and if the Moon occupy it and be aspected by Saturn and Mars, the child will be humpbacked; if Pisces be the rising sign and if jt be aspected by Saturn, the Moon and Mars, the child will be lame. If a malefic planet (b) and the Moon be in any of the last Navamsas of Cancer, Scorpio and Pisces, the child will be born deaf. In all the above Yogas the effects described will occur only if the several planets are not aspected by benefic planets (c).
(a) Or both the signs and Navamsas according to some Commentators.
(b) One of the three planets, the Sun, Mars and Saturn.
(c) So that, if the planets be aspected by powerful benefic planets the effects will not occur.
19. If the last Navamsa of Makara begin to rise and if it be aspected by Saturn, the Moon and the Sun, the issue will be a dwarf. If Mars occupy the rising Drekkana of the Lagna or the corresponding Drek-kana of the fifth house or of the ninth house (a) the issue will be either without a head or without arms or without legs respectively, if Mars be aspected by the Sun, the Moon and Saturn.
(a) Some Commentators interpret this part of the text as follows: if Mars occupy the 1st or the 2nd or the 3rd Drekkana of a rising sign, etc. But this is opposed to the opinion of Garga.
20. If Leo be the rising sign and if it be occupied by the Sun and Moon and aspected by Mars and Saturn, the issue will be a blind child (a); if in the above case, benefic planets aspect the rising sign, the child will be born with a mote in its eyes. If the Moon or the Sun occupy the twelfth house from the rising sign (b), the child will be born blind, respectively, of the left or the right eye (c).
The several Yogas mentioned above (d) will not wholly come to pass if the planets of each Yoga be aspected by benefic planets.
(a) According to the Commentator, if the Sun alone occupy sign Leo, and if it be aspected by Mars and Saturn, the child will be blind of the right eye; and if the Moon alone should occupy sign Leo, and if it be aspected by Mars and Saturn, the child will be blind of the left eye.
(b) At the time of Nisheka (conception); or of birth.
(c) Provided the Sun or the Moon is aspected by Mars and Saturn according to the Commentator Subodhini.
(d) That is beginning from Stanza 17.
21. Find out the number of the particular Dwada-samsa occupied by the Moon at the time (a) in any Zodiacal sign. Note the Zodiacal sign whose name the Dwa-dasamsa bears. Count from the next sign as many signs as the number of Dwadasamsas by which the Moon may have advanced in any particular sign. When the Moon conies to such last sign, the birth of the child will occur.
Again, the birth will occur by day or by night according as the rising Navamsa at the time is a day or a night Navamsa. The hour of birth from sun-rise or sun-set may be calculated from the portion of the rising Navamsa that may have risen above the horizon.
(a) At the time of conception, or query according to the Commentator.
In this stanza, the Author purposes to discover the time of child-birth from the time of conception or query. Suppose the Moon to occupy, say, the 8th Dwadasamsa of sign Aquarius at the time. This Dwadasamsa is known as the Dwadasamsa of Virgo (Kanya). The sign next to sign Virgo in the Zodiac is sign Libra (Tula). As the Moon occupies the 8th Dwadasamsa in sign Aquarius, the 8th sign from Libra is sign Taurus. The child will therefore be born when the Moon passes through sign Taurus.
The Commentator adds that the particular asterism which the Moon would occupy at the time of birth might be discovered from the advance made by her in the particular Dwadasamsa occupied by her. For instance, suppose the Moon to occupy the middle of the 8th Dwadasamsa in Aquarius. The middle of sign Taurus is in the 2nd quarter of star Rohini; so that at the time of birth of the child the Moon will occupy the asterism of Rohini.
Again, if the rising Navamsa, for instance, be that of Sagittari, a night sign, the birth will occur at night. The time of birth from sun-set should be calculated by proportion from the time by which the Navamsa of Sagittari may have risen above the horizon - the period of oblique ascension of the Navamsa representing the period of the whole night.
The sex of the issue can be determined from stanzas 11 to 15.
22. If at the time of conception, the Navamsa of Saturn (a) begin to rise and if Saturn occupy the seventh house from the rising sign, there will be delivery after three years; and in similar case of the Moon (b) there will be delivery after twelve years.
Which of the several Yogas described in this Chapter are applicable to the time of birth also, shall be determined on the nature of such Yogas (c).
(a) That is the Navamsa of Makara or Kumbha. (b) If the Navamsa of Cancer should begin to rise and if the Moon should occupy the seventh house from the rising sign.
(c) For instance, Yogas relating to the birth of children with extra or defective organs, are to be taken to refer as much to the time of birth as to the time of conception. As regards such Yogas as those relating to the miscarriage of pregnancy and the like, they are to be taken to refer to the time of conception alone.
 
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