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Foundations

Every reading in Jyotish is built from three things: nine grahas, twelve rashis and twelve bhavas. Learn how those three interact and the rest of the subject becomes vocabulary.

The three components

A Vedic chart has exactly three moving parts, and nearly every technique in the subject is a rule about how they combine.

The nine grahas are the actors. Sun, Moon, Mars, Mercury, Jupiter, Venus and Saturn, plus the two lunar nodes Rahu and Ketu — calculated points where the Moon’s path crosses the Sun’s, not physical bodies, and always opposite each other. A graha carries a set of significations it brings wherever it goes.

The twelve rashis are the setting. Each is a 30° slice of the zodiac with a ruling graha, an element and a mode, and a graha placed in a rashi takes on that colouring. Vedic astrology uses the sidereal zodiac, measured against the fixed stars, which is why a Vedic Sun sign is usually one sign earlier than the tropical one most people know.

The twelve bhavas are the subject matter — body, wealth, siblings, home, children, and so on round to the twelfth. This is the layer that makes a chart personal: the bhavas are counted from your ascendant, the sign rising on the eastern horizon at your birth moment.

The sentence a chart is made of

Put together, the three produce the basic unit of any reading: this graha, in this rashi, in this bhava. Mars in Capricorn in the tenth is a different statement from Mars in Cancer in the fourth, and the difference is not one fact but three interacting.

Everything else builds on that sentence. Aspects describe which grahas reach which bhavas. Strength measures tell you how much weight a placement can carry. Dashas say when it becomes active. None of them mean anything without the sentence underneath.

Why the ascendant is the fragile part

The grahas move slowly enough that everyone born on the same day shares most of their positions. The ascendant does not: it travels the entire zodiac in about twenty-four hours, roughly one degree every four minutes.

That single fact is why birth time matters in Jyotish far more than birth date. Get it wrong by two hours and the planets are almost exactly where they were, but every bhava has rotated — so the chart still looks plausible while saying something about the wrong areas of life entirely. It is also why birth-time rectification exists as a discipline of its own, and why an uncertain birth time should be treated as a stated limitation of a reading rather than a detail.

Frequently asked questions

What do I need to learn first in Vedic astrology?

The nine grahas, the twelve rashis and the twelve bhavas, and specifically how they combine — a graha in a rashi in a bhava is the atomic statement of a chart. Almost every later technique is a rule about that combination.

Why are there nine planets in Vedic astrology?

The navagraha are the Sun, Moon, Mars, Mercury, Jupiter, Venus and Saturn, plus Rahu and Ketu — the two lunar nodes, which are calculated points rather than bodies. Uranus, Neptune and Pluto are not part of the classical scheme.

What is the difference between a rashi and a bhava?

A rashi is a 30° division of the zodiac and is the same for everyone born at roughly the same time. A bhava is a house of the chart, counted from your ascendant, and depends on your birth time and place. The rashi is where a planet is; the bhava is what it acts on.

Why does birth time matter so much?

Because the ascendant moves through the whole zodiac in a day — roughly one degree every four minutes. It sets where the houses begin, so a wrong birth time rotates every bhava in the chart even though the planets stay where they are.

See this in your own chart

The app computes every concept here for your own birth details and place — charts, dashas, KP significators and the live panchang.

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