Jupiter rules houses 1 and 4 for Sagittarius rising — lagna lord — benefic. The rules behind that verdict, dasha themes and how it compares with the other planets.
✦ Generate My Free Birth ChartFor Sagittarius rising, Jupiter is the lagna lord, which the classics treat as auspicious whatever else it rules. It rules Sagittarius (the 1st house) and Pisces (the 4th house), so its Mahadasha (16 years) concentrates on self, health and vitality and home, mother and inner peace.
Each rule below is applied in turn; the verdict is the sum. Positive numbers support the planet, negative ones weigh against it.
| Rule applied | Weight |
|---|---|
| Sagittarius is the 1st house (Lagna (self)); Sagittarius is Jupiter's moolatrikona sign, so it counts 1.5× | +3.0 |
| Pisces is the 4th house (Kendra) | 0.0 |
| Kendradhipati dosha: Jupiter is a natural benefic owning the 4th (a kendra), which dilutes its benefic nature | -1.0 |
| Net score → Lagna Lord — Benefic | +2.00 |
Sagittarius — house 1 (Lagna (self)). The 1st house governs self, health and vitality. Whatever Jupiter promises or withholds in a chart tends to be delivered through these matters. It is also the planet's moolatrikona sign.
Pisces — house 4 (Kendra). The 4th house governs home, mother and inner peace. Whatever Jupiter promises or withholds in a chart tends to be delivered through these matters.
| Planet | Houses ruled | Functional reading |
|---|---|---|
| Sun | 9 | Functional Benefic |
| Moon | 8 | Functional Malefic |
| Mars | 5 & 12 | Functional Benefic |
| Mercury | 7 & 10 | Functional Malefic (maraka, badhaka) |
| Jupiter | 1 & 4 | Lagna Lord — Benefic |
| Venus | 6 & 11 | Functional Malefic |
| Saturn | 2 & 3 | Mildly Malefic (maraka) |
Rahu and Ketu own no signs, so they have no lordship to classify; they act through the sign lord of the sign they occupy and the planets they join (see Rahu & Ketu in KP).
In the Vimshottari system Jupiter's Mahadasha lasts 16 years out of the 120-year cycle. For Sagittarius rising it activates the 1st house (self, health and vitality) and the 4th house (home, mother and inner peace). A well-supported period therefore tends to lift those areas; the sub-lords of the period and the transits at the time decide which way it actually goes. See Jupiter Mahadasha for the period itself.
Sagittarius is a dual sign, so its Badhaka (obstruction) house is the 7th, whose sign is Gemini and whose lord is Mercury. Jupiter is not the Badhaka lord. The Maraka lords for Sagittarius rising are Saturn (2nd) and Mercury (7th); Jupiter is not one of them.
In KP astrology, ruling a house by sign is only the weakest of the four levels a planet can signify through (the others are occupying it and the star-lord links). A lagna lord — benefic reading by lordship is useful context, but the sub-lord chain in the actual chart is what decides outcomes. See Significators in KP and Sub-Lord Theory.