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In short
The Sun and Jupiter are natural friends, and Saravali Ch. 15 Sl. 5 reads them together as a virtuous person, a king's minister and a teacher. They share a sign in 294 of 3,000 sampled birth moments 1985-2060. This app marks Jupiter combust within 11 degrees of the Sun, and a combust Jupiter is barred from Gaj Kesari Yoga.
Put the king and the royal teacher in the same room and the texts expect good counsel. That, in short, is how the classical sources treat the Sun and Jupiter in one sign. On this site such a placement is a yuti: two grahas in the same sign of a whole-sign chart, with no orb applied. This page covers the friendship between the two, Saravali's lines for the pair, the one way this app's rules turn against it, and a chart that shows that rule in action. For each graha alone, see the Sun in Vedic astrology and Jupiter in Vedic astrology.
The Sun and Jupiter as the texts describe them
Saravali Ch. 4 Sl. 9 puts them on opposite sides of the benefic line. Jupiter heads the natural benefics, with Mercury and Venus. The Sun is a natural malefic, with Mars and Saturn. Yet on natural friendship they are allies in both directions. Saravali Ch. 4 Sl. 28-29 lists Jupiter first among the Sun's friends, and the Sun among Jupiter's, with the Moon and Mars. This app's relationship table encodes the same lists.
Their dignities are worth having in mind before reading any chart. Jupiter rules Sagittarius and Pisces, and BPHS Ch. 3 Sl. 51-54 makes the first third of Sagittarius its moolatrikona and the rest its own sign. The Sun rules Leo. Jupiter is exalted in Cancer, the sign beside Leo, and the Sun in Aries. A conjunction in any of these signs carries a dignity for one of the two; a conjunction elsewhere does not.
What the classical texts say about the Sun with Jupiter
Saravali Ch. 15 Sl. 5 is short and almost entirely favourable. When the Sun and Jupiter are together, the native will be virtuous, a minister of the king, will gain through friends, will have a good mind, and will be a preceptor. Each phrase pairs the two natures. The king belongs to the Sun; the minister, the friend and the teacher belong to Jupiter. The person described serves power with judgement rather than holding it alone.
Compare it with the Sun's line for Mercury two slokas earlier, which also puts the native in service. The Mercury line qualifies the wealth as unsteady. The Jupiter line has no such qualifier and adds virtue twice over. Among the six two-planet lines that begin with the Sun in Ch. 15, this is the one with the fewest reservations. Sl. 23 still applies: the result rises or falls with the vargas the two occupy.
In the angles, and with a third graha
Saravali Ch. 31 Sl. 14-17 keeps the tone. In the ascendant: virtuous, a minister or army chief or of sagely disposition, with learning, wealth and fame. In the 4th: interest in the Vedas, justice and poetry, eloquence and good fortune. In the 7th the line turns personal, with passion for women and dislike of the father beside wealth in gold and pearls. In the 10th: fame, honour and wealth, and kingship even from a humble family.
Ch. 16 has four lines in which the Sun and Jupiter are joined by a third graha. With Mars (Sl. 7) the reading is an expert speaker, very wealthy, a minister or king. With Mercury (Sl. 10) it adds wealth, writing and an interest in the shastras, along with a health line this page does not repeat. With Venus (Sl. 13) it is bold and intelligent but indigent, devoted to others' work. With Saturn (Sl. 14) the text moves to a further reading. The third graha, in other words, can tip a generous pair either way.
The ninth house, and what Saravali says there
Saravali Ch. 32 is given over to the 9th house, the house of fortune, and Sl. 30-35 read each graha joined with the Sun there. Most of those lines are mixed. The Jupiter line is not: with Jupiter and the Sun together in the 9th, the native is endowed with wealth, obtains abundant paternal wealth, is long-lived, very courageous and a worthy person. It is the warmest of the six. Ch. 32 Sl. 26 adds a caution that bears on this pair directly: a combust planet in the 9th without a benefic's aspect is read as a loss of strength, wealth and fame. So even inside Saravali the same conjunction can be read up or down depending on how close Jupiter is. For the house itself, see the 9th house.
Avasthas: two labels at once
BPHS Ch. 45 Sl. 8-10 gives a list of nine states, or avasthas, that a graha can be in. Two of them bear on this pair. A graha joined with a malefic is Vikal, and the Sun is a natural malefic, so a Jupiter with the Sun is Vikal by that rule however far apart they sit in the sign. A graha being eclipsed by the Sun is in Kop. Jupiter in its own sign would otherwise be Swasth. The text says the house the graha occupies takes on the corresponding effect. This app's birth chart does not compute these nine avasthas; the page reports them as the text's framework, and the engine's own handling is the combust flag below.
Combustion: the condition that changes the picture
This app marks Jupiter combust when it is 11 degrees or less from the Sun by the shortest arc. The figure is Kannan's, as cited in computeChart. The source gives Jupiter no separate retrograde limit, and the code adds none. In practice it hardly matters: in the sample probe described below, no retrograde Jupiter shared the Sun's sign at all.
Classical weight on combustion is heavy. Saravali Ch. 36 Sl. 7-9 says a combust planet loses all its rays, and it exempts only Venus and Saturn, not Jupiter. BPHS Ch. 6 Sl. 42-53 says combust grahas spoil good yogas. The engine applies the second idea in two concrete places. Shad Bala sets a combust graha's Sthana strength to zero. And the Gaj Kesari rule refuses a combust Jupiter outright.
Why a combust Jupiter has no Gaj Kesari here
The engine's Gaj Kesari Yoga rule follows BPHS Ch. 36 Sl. 3-4: Jupiter in an angle from the lagna or the Moon, joined or aspected by a benefic, and free of debilitation, combustion and an inimical sign. A Jupiter within 11 degrees of the Sun fails the third condition, however well the first two are met. A Sun-Jupiter conjunction with a wide gap does not have this problem.
Over the engine-facts sample the split looks like this. Jupiter was combust in 218 of 3,000 moments. In 185 of those it was also in the Sun's sign, and in 33 it was over a sign boundary. Of the 294 moments with the two in one sign, then, 185 had Jupiter combust and 109 did not. Roughly five conjunctions in eight carry the flag.
Yogas this pair can be part of
The engine has no rule that names the Sun with Jupiter. The pair touches the detected yogas in three ways. It can block Gaj Kesari through combustion, as above. It removes Jupiter from the Sun's flanking yogas, Vesi and Vasi, because Jupiter is beside the Sun rather than in the sign before or after it. And either graha may complete a lordship yoga, such as Raj Yoga (Kendra-Kona), when it happens to rule the right house. The yogas calculator lists all of them for a given chart, and what a yoga in your chart means explains how to weigh the list.
A Jupiter in its own sign or exaltation in an angle also forms Hamsa Yoga under the Panchamahapurusha rules. That rule is about Jupiter's sign and house, and the Sun's presence does not enter into it.
Worked example: Sun and Jupiter in Sagittarius, 2nd house
A fixed search through New Delhi birth moments, starting on 1 January 1985, finds this pair at its very first step. Birth: 1 January 1985, 06:00 IST, New Delhi. The birth chart calculator gives the same positions. The ascendant is Scorpio at 28.81 degrees, so under whole-sign houses Sagittarius is the 2nd house.
| Graha | Position | Nakshatra (pada) | House | Engine flags |
|---|---|---|---|---|
| Sun | Sagittarius 16.89 | Purva Ashadha (2) | 2 | Neutral |
| Jupiter | Sagittarius 27.83 | Uttara Ashadha (1) | 2 | Own sign; direct; combust |
- Same sign? Yes. Both are in Sagittarius, the 2nd house. Saravali Ch. 15 Sl. 5 applies. The 2nd is not an angle, so Ch. 31 adds nothing.
- Jupiter's dignity? Own sign. At 27.83 degrees it is past the first third of Sagittarius, so by BPHS Ch. 3 Sl. 51-54 it is in its own-sign portion rather than its moolatrikona. The engine's label agrees.
- How far apart? 10.94 degrees.
- Combust? Yes, by six hundredths of a degree. The limit is 11, so Jupiter is flagged combust and its Sthana strength is set to zero, own sign or not.
- Gaj Kesari? Not detected. The Moon is in Aries, the 5th from Jupiter, so Jupiter is not in an angle from the Moon. It is in the 2nd from the lagna, not an angle either. And even if it were, the combust flag would bar it.
- What the engine did detect: Vasi Yoga (Mercury in Scorpio, the 12th from the Sun), Kedara Yoga (the seven grahas in four signs), Raj Yoga (Kendra-Kona) and Parivarthana Yoga (Mars and Saturn in each other's signs, Aquarius and Scorpio). None of them is a rule about the Sun with Jupiter.
The point of the example is the narrow margin. A birth a few hours later, with the Sun a fraction of a degree further on, would leave the conjunction unchanged and lift the combust flag. For the sign and house pages, see Jupiter in Sagittarius, the Sun in Sagittarius and Jupiter in the 2nd house. None of this is a forecast for anyone born then.
How often the pair occurs
The Sun and Jupiter shared a sign in 294 of 3,000 sampled birth moments 1985-2060, or 9.8 per cent. In 173 of those they were within 10 degrees, and the widest same-sign gap was 28.73 degrees. In dasha terms they run separately: the Sun's 6 years and Jupiter's 16 in the Vimshottari scheme. See the Sun Mahadasha and the Jupiter Mahadasha. Neighbouring pairs: Sun-Mercury, Sun-Venus, Moon-Jupiter and Mercury-Jupiter.
What this page does not claim
Saravali's generous line is reported as the text's reading of a placement in about one chart in ten, not as a promise to anyone who has it. This app gives the pair no bonus of its own. The only thing it changes is the combust flag, with the consequences stated above: Sthana strength set to zero and Gaj Kesari withheld. Another program using another orb, or another ayanamsa near a sign boundary, could set that flag differently, and both would be applying a stated rule to the same sky.
- Is the Sun-Jupiter conjunction good in Vedic astrology?
- Saravali Ch. 15 Sl. 5 reads it favourably: virtuous, a king's minister, gain through friends, a good mind, a preceptor. Whether Jupiter is combust is a separate question this app answers in degrees.
- When is Jupiter combust in this app?
- When it is within 11 degrees of the Sun by longitude. In the sample, 185 of the 294 same-sign moments had Jupiter combust.
- Can a combust Jupiter give Gaj Kesari Yoga?
- Not in this app. Following BPHS Ch. 36 Sl. 3-4, the engine requires Jupiter to be free of combustion, debilitation and an inimical sign.
- Are the Sun and Jupiter friends?
- Yes. Saravali Ch. 4 Sl. 28-29 lists each as a natural friend of the other.
- Is there a named yoga for the Sun with Jupiter?
- Saravali calls each two-planet line a "yoga", but this app's detector has no rule for this pair. It reports only the yogas its rules test.
- What does Saravali say about the Sun and Jupiter in the 9th house?
- Ch. 32 reads the pair there as wealth, abundant paternal wealth, long life, courage and worth, the warmest of its lines for grahas joining the Sun in the 9th. The same chapter treats a combust planet there, without a benefic aspect, as weakened.
- Does the app suggest remedies for a combust Jupiter?
- No. It prescribes no gemstones, mantras, rituals or donations for any placement.
Birth Chart (Kundli)
All nine grahas by sign, degree and nakshatra, with houses when the birth time is known and the place resolves to coordinates.
This one has its own page
This one runs on its own page, built for it, where the full result is laid out properly. No account is needed there either.