North Indian vs South Indian Chart: Same Sky, Different Shape

The North Indian and South Indian birth chart styles show identical astronomical data — same planets, same houses, same signs, same degrees. They're just visualized differently. If two astrologers in Delhi and Chennai read your chart, they're working from the same calculated positions; they just look at a different-shaped diagram.

Knowing both styles helps because Vedic astrology resources are split: classical texts use one, modern apps often default to another, and YouTube astrologers are evenly split. Here's how each works.

North Indian chart style

The North Indian chart is a square split by two diagonals into a diamond at the center surrounded by four triangles, with four more triangles in the corners. Twelve sections total — one per house.

Houses are fixed positions on the diagram. Signs rotate. The house at the top of the diamond is always your 1st house (the ascendant or lagna). Going counter-clockwise, you get 2nd, 3rd, 4th... around to the 12th. The number written inside each house is the sign currently sitting there (Aries = 1, Taurus = 2, etc.). So your 1st house always sits at the top of the diamond — but which sign is in your 1st house depends on what time you were born.

Planets in each house are written next to the sign number in that house. Reading: glance at the top diamond → that's your 1st house and ascendant → see what sign and planets are there.

Pros: Houses are immediately visible. Quick to learn for beginners. Easier to spot the all-important 1st, 4th, 7th, and 10th houses.

Cons: Aspects between planets across houses are harder to visualize because the geometry isn't a clean clock layout. The numbers-as-signs convention adds a mental step.

South Indian chart style

The South Indian chart is a 4×4 grid with the center 2×2 cells empty (used for chart metadata or skipped entirely). Twelve outer cells, one per sign.

Signs are fixed positions on the diagram. Planets and houses move. Pisces is always at the top-left, then going clockwise: Aries, Taurus, Gemini in the top row; Cancer in the right column starting from top; and so on. The 1st house — your ascendant — is marked separately, usually with a diagonal line in whichever sign the lagna falls in.

Planets are listed inside whichever sign-cell they occupy. The house number isn't shown directly — you count clockwise from the lagna cell to figure out which house any other cell represents.

Pros: The clockwise zodiac order makes transit reading natural. Aspects and conjunctions are visually obvious. Many practitioners argue South Indian is easier once you're past the beginner phase.

Cons: You have to mentally count houses from the lagna. The fixed-zodiac layout means your "chart shape" looks the same as every other person of your sign — it's the planet positions that differ.

Bengali chart style

The Bengali (or East Indian) chart is a variation of the North Indian style, used widely in West Bengal, Odisha, and parts of Assam. It uses the same diamond-and-triangle layout as North Indian, but the visual orientation differs slightly: the diamond rotates so that the 1st house sits at a slightly different position, and the labeling conventions are sometimes different.

Functionally identical to North Indian for chart reading. If you're Bengali and grew up seeing the chart this way, it'll feel native. Otherwise, treat it as North Indian with a regional accent.

Reading the same chart side by side

Imagine someone with a Cancer ascendant, Sun in Leo, and Moon in Pisces.

In North Indian: The top diamond (1st house) shows the number 4 (Cancer = 4). The next house going counter-clockwise (2nd house) shows the number 5 (Leo) with "Su" written next to it. The 9th house (counter-clockwise three more steps) shows the number 12 (Pisces) with "Mo" next to it.

In South Indian: The Cancer cell (top-right area) shows a diagonal line marking the lagna. The Leo cell (one clockwise from Cancer) has "Su" in it. The Pisces cell (top-left) has "Mo" in it.

Same person. Same planets. Same houses. Different geometry.

Which one is right for you?

• Native to North India / Punjab / Hindi belt: North Indian style is what most local astrologers will use.
• Native to Tamil Nadu, Kerala, Karnataka, Andhra Pradesh, Telangana: South Indian is the regional default.
• Native to Bengal, Odisha, Assam: Bengali style.
• Indian diaspora / no strong regional tie: pick whichever your eyes parse faster. Most people find South Indian clicks once they've seen 5-10 charts.
• Reading classical Sanskrit texts or BV Raman: North Indian is the convention there.

Related reading

• What is Mahadasha? — once you can read the chart, the next thing to know is your current planetary period
• Gun Milan: 8-Koota Guide — read both partners' charts in any style for compatibility