Tamil Jathagam Basics: How to Read a South Indian Birth Chart for Beginners
An introductory guide to the 12 houses (Bhavas), planetary placements (Grahas), and the traditional South Indian square chart format used in Tamil Nadu.
Unlike North Indian diamond-style charts, traditional Tamil Nadu Jathagam charts use a fixed-sign 12-box square grid.
In this format, the signs never change positions:
• Mesham (Aries) is always the second box on the top row.
• Rishabam (Taurus) is the third box on the top row.
• Kadagam (Cancer) is the rightmost top corner, and the sequence runs clockwise around the perimeter until Meenam (Pisces) at the top-left corner.
When you examine your Jathagam chart, identify two crucial notations:
1. Lagnam (லக்னம் / ல / Ascendant): Marked with 'ல' or 'Asc'. This indicates which zodiac sign was rising on the eastern horizon at the moment of your birth. Lagnam is designated as House 1 (முதல் வீடு / ஜென்ம லக்னம்), and all 12 houses are numbered clockwise from it.
2. Chandran / Moon (சந்திரன் / ச): The box where the Moon is placed is your Janma Rasi (ஜென்ம ராசி).
Each house from Lagnam represents specific life domains:
| House # | Tamil Term | Life Significance |
|---|---|---|
| 1st House | லக்ன பாவம் (Lagna Bhava) | Physical health, personality, general vitality |
| 2nd House | தன / வாக்கு பாவம் (Dhana Bhava) | Wealth, speech, early family life |
| 4th House | சுக / மாத்ரு பாவம் (Sukha Bhava) | Mother, education, home, vehicles |
| 7th House | களத்திர பாவம் (Kalathra Bhava) | Spouse, marriage, business partnerships |
| 9th House | பாக்ய பாவம் (Bhagya Bhava) | Father, fortune, higher wisdom, spiritual inclination |
| 10th House | கர்ம / ஜீவன பாவம் (Karma Bhava) | Career, profession, social reputation |
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Frequently Asked Questions
What is the difference between Rasi chart and Navamsam chart?
The Rasi chart (D1) reflects the primary physical placement of planets at birth, while the Navamsam chart (D9) divides each sign into nine harmonic subdivisions to evaluate planetary strength and marital harmony.