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What is Shadbala? (The 6-Fold Planetary Strength)
In Vedic astrology (Jyotish), looking at a birth chart and seeing an exalted planet does not mean that planet is strong. To know the true mathematical capacity of a planet to deliver results, sages use a highly complex system called Shadbala. It literally translates to "Six-fold strength." It calculates six entirely different sources of power and adds them up to give a final score in units called Rupas and Shashtiamsas (Virupas).
The 6 Pillars of Shadbala
- 1. Sthana Bala (Positional): Strength gained from the planet's sign, exaltation degree, and placement in a Kendra (Angular) house.
- 2. Dig Bala (Directional): Strength gained from the planet's direction in the sky. Sun/Mars are strongest in the 10th house (South). Jupiter/Mercury in the 1st house (East). Saturn in the 7th house (West). Moon/Venus in the 4th house (North).
- 3. Kala Bala (Temporal): Strength gained based on time factors: Day/Night birth, Lunar phase (Shukla/Krishna Paksha), and planetary hours.
- 4. Cheshta Bala (Motional): Strength gained from a planet's velocity relative to Earth. Retrograde planets possess immense Cheshta Bala.
- 5. Naisargika Bala (Natural): Fixed natural brightness. The Sun is always the strongest, Saturn is naturally the weakest.
- 6. Drik Bala (Aspectual): Strength added by the beneficial aspects of Jupiter/Venus, and reduced by the malefic aspects of Saturn/Mars.
Rupas vs Required Strength
Total strength is measured in Rupas (1 Rupa = 60 Shashtiamsas). However, every planet has a different minimum requirement to be considered "Balavan" (Capable). Mercury requires 7.0 Rupas to function properly, while Saturn only requires 5.0 Rupas. Therefore, looking at the Strength Ratio (%) is the only accurate way to determine which planet is truly dominating your chart.
Mathematical Precision
Our engine uses exact astronomical planetary degrees and house cusps to calculate micro-degree Dig Bala and Sthana Bala.
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Classical BPHS Rules
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