Kaal Sarp Dosh Calculator
Whether Rahu and Ketu hem in your other seven planets.
Kaal Sarp Dosh (also spelled Kala Sarpa Yoga) forms when all seven other classical planets fall on one side of the Rahu–Ketu axis, hemmed between the two lunar nodes with no planet escaping to the other side. Enter your birth details to check whether this configuration is present in your chart, and from which side it forms.
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How the hemming is checked
Rahu and Ketu always sit exactly opposite each other in a chart. Kaal Sarp Dosh is confirmed when every one of the Sun, Moon, Mars, Mercury, Jupiter, Venus and Saturn falls within the 180° arc on one specific side of that Rahu–Ketu axis, with none of them crossing to the other side — even a single planet escaping to the far side breaks the yoga entirely.
The different named varieties
Classical texts name 12 specific varieties of Kaal Sarp Dosh (Anant, Kulik, Vasuki, Shankhpal, Padma, Mahapadma, Takshak, Karkotak, Shankhachur, Ghatak, Vishdhar and Sheshnag), based on which house Rahu occupies when the hemming forms — each carries a slightly different classical description of its effects.
Frequently asked questions
Is Kaal Sarp Dosh really that rare?
It's less common than Mangal Dosha but not extremely rare — plenty of ordinary, successful charts show it, and most modern astrologers weigh it as one factor among many rather than treating it as automatically severe.
How many types of Kaal Sarp Dosh are there?
12, named after mythological serpents, each defined by which house Rahu sits in when the hemming condition forms.
Does Kaal Sarp Dosh always need a remedy?
That's a matter of astrological opinion and personal belief — this calculator only reports whether the classical planetary configuration is present in your chart, not a prescription.