North vs South Indian Chart Style: Reading Both Vedic Formats

A Vedic horoscope contains the same information no matter which style you draw it in: the 12 houses, the 12 signs, and the planets within them. What changes is the layout.

North Indian style. A diamond inside a square. The Lagna (1st house) is always at the top centre. Houses go anti-clockwise from there. The signs are not fixed positions on the chart — instead, they are written inside each house. So a North Indian chart shows you the houses fixed and the signs written on top.

South Indian style. A 3×3 grid with the centre cell empty (the centre holds the chart label). Each cell represents a sign in fixed position — Pisces top-left, Aries top-second, Taurus top-third, Gemini top-right, Cancer middle-right, and so on around the perimeter clockwise. The Lagna is marked with a slash or a label inside whichever cell holds the rising sign. Houses are not fixed positions — they are counted from the Lagna cell anti-clockwise (which goes counter to most readers' intuition the first time they see it).

East Indian (Bengali) style. A two-square overlay producing eight outer triangles plus a centre. Less common outside the eastern subcontinent.

Each style has strengths.

North Indian. Best for reading the houses. Because the 1st-2nd-3rd-...-12th houses are always in the same physical positions (top centre and anti-clockwise), the eye learns instantly where the 7th of marriage or the 10th of career is. Aspect-spotting is also easier — Jupiter's 5th and 9th aspects, Mars's 4th and 8th, Saturn's 3rd and 10th — because the houses are fixed.

South Indian. Best for reading the signs. Because the 12 signs are in fixed positions, the eye learns where Aries, Cancer, Libra, and Capricorn are without thinking. Sign-based interpretations — for example, "all my air-sign cells are empty" or "I have a stellium in Scorpio" — read off a South Indian chart at a glance. Compatibility comparisons (overlaying two charts) are also sometimes easier in South Indian, because the sign cells are fixed across both charts.

In practice, most experienced readers use both. Jyothish AI defaults to the North Indian style for the main chart display because the house-fixed layout is the more pedagogically natural starting point, but the API returns both representations and the chart display can be toggled.

A North Indian chart is a square containing a diamond. The square's four sides are split by the diamond's points into 12 triangular cells. The 1st house is the topmost cell (a downward-pointing triangle bounded by the top edge of the square and the top point of the diamond). From the 1st, count anti-clockwise: 2nd is the cell to its lower-left (between the top-left and left points), 3rd is the leftmost (a rightward-pointing triangle on the left side of the square), 4th is the centre-left (the left half of the central diamond), and so on.

The pattern, once memorised:

• 1, 2, 3, 4 cluster around the top-left quadrant.
• 5, 6, 7 cluster on the bottom-left and bottom edge.
• 8, 9, 10 cluster around the bottom-right quadrant.
• 11, 12 cluster on the right edge and top-right.

Each cell shows two things: the sign occupying that house (a number 1-12 or a name) and the planets in that house. The Lagna cell often has a small notation indicating the exact ascendant degree.

A South Indian chart is a 3×3 grid. The four corner cells and the four edge cells (eight cells total) hold the 12 signs in a fixed clockwise order:

Top-left = Pisces (12) Top-second = Aries (1) Top-third = Taurus (2) Top-right = Gemini (3) Right-middle = Cancer (4) Right-bottom = Leo (5) Bottom-right = Virgo (6) Bottom-second = Libra (7) Bottom-third = Scorpio (8) Bottom-left = Sagittarius (9) Left-bottom = Capricorn (10) Left-middle = Aquarius (11)

The centre cell is reserved for chart metadata (name, date, location, ayanamsa).

The Lagna is marked inside one of the perimeter cells with an "Asc" notation or a slash. Houses count anti-clockwise from there: the cell next to the Lagna in the anti-clockwise direction is the 2nd, the next is the 3rd, and so on.

Anti-clockwise on a South Indian chart goes Pisces → Aquarius → Capricorn → Sagittarius and so on — the direction in which the houses ascend from the Lagna. (Visually, this is the direction the planets appear to move through the zodiac.)

Three to watch for.

1. Counting houses in the wrong direction. North Indian houses go anti-clockwise from the top centre. South Indian houses also count anti-clockwise from the Lagna (which is the standard Vedic convention). The visual direction looks different in the two charts because of how they are drawn, but the underlying counting is the same.

1. Confusing sign and house. In North Indian, the cell positions encode houses, and the sign is written inside. In South Indian, the cell positions encode signs, and the house is determined by counting from the Lagna. A planet "in the 5th house" can be in any of the 12 sign-cells in a South Indian chart depending on the Lagna.

1. Reading aspects from the wrong reference. Aspects are always cast from one house to another based on a graha's natural aspect rule (Mars's 4th and 8th, Jupiter's 5th and 9th, Saturn's 3rd and 10th, all grahas' 7th). The visual layout does not change which house aspects which — that is fixed by the chart's structure, not by the drawing style.

Both, eventually. If you have to choose:

• North Indian if you are starting from "I want to know what the 7th house says about marriage." House-first thinkers find this style easier.

• South Indian if you are starting from "I want to know what Mars in Scorpio means in this chart." Sign-first thinkers find this style easier.

In modern Vedic teaching, North Indian is dominant in north India, the diaspora, and most online Jyotisha communities. South Indian is dominant in Tamil Nadu, Kerala, Karnataka, Andhra Pradesh, and Sri Lanka. Both are widely used in international Vedic schools.

Jyothish AI shows the North Indian style by default but the data returned is style-agnostic, so the same chart can be redrawn in either style without losing or adding any information.