Kaal Sarp dosha is a chart wide pattern rather than a single planet's placement. Rahu and Ketu, the lunar nodes, always sit exactly opposite each other, 180 degrees apart, dividing the zodiac into two halves. Kaal Sarp occurs when all seven classical planets, Sun, Moon, Mars, Mercury, Jupiter, Venus and Saturn, fall within one of those two halves, effectively hemmed in on one side of the Rahu-Ketu axis with no planet escaping to the other side. The name comes from Kaal (time) and Sarp (serpent), and the pattern is named for its shape when the chart is drawn out: every planet coiled between the two nodes like a serpent.

This calculator checks the real longitude of each planet against the Rahu to Ketu arc, not just which house or sign it sits in, because a planet can be technically on one side of an axis by degree while still appearing in a nearby sign. We report a present or absent verdict for the complete pattern, and separately flag a partial pattern: a widely used practitioner convention where exactly one of the seven planets escapes the arc while the rest stay hemmed in. A partial pattern is a real, milder variant worth naming honestly, since some readings inflate it into the full dosha to make a stronger sales pitch, and we would rather give you the accurate count.

Classical texts describe several named variants of Kaal Sarp depending on which house the Rahu-Ketu axis falls in relative to the lagna, such as Anant, Kulik, Vasuki and others, each carrying a different flavor of effect. This calculator reports the houses Rahu and Ketu occupy from your lagna so you have that information, though we deliberately do not name a variant here: variant naming conventions differ enough between regional texts that assigning one confidently would be picking a side in a live doctrinal disagreement, which is not this calculator's job.

There is a genuinely important piece of context missing from most casual explanations of this dosha: Kaal Sarp, even the complete form, is astronomically common. Because Rahu and Ketu move slowly and stay opposite each other for long stretches, and because planetary clusters are a routine feature of real charts, a meaningful share of all birth charts show some form of this pattern. It is not a rare or exotic affliction reserved for a cursed few, and several respected modern astrologers, publicly and repeatedly, caution against the aggressive interpretation this dosha is sometimes given in commercial astrology.

Classical and modern commentary alike generally treats Kaal Sarp as adding a theme of struggle followed by eventual, often delayed, success, rather than describing outright misfortune. The specific planets involved, and the houses the axis falls across, matter far more to a real reading than the bare presence or absence of the pattern. A Jupiter or Moon positioned strongly elsewhere in the same chart, for instance, changes the practical reading considerably, which is exactly the kind of context a bare online calculator cannot give you but a fuller kundli reading can.

If someone has told you that a Kaal Sarp dosha requires an expensive ritual to remove, treat that claim with real scepticism: it is one of the most commonly cited patterns in scam astrology, precisely because a majority-hemmed chart is not unusual and the fear response it triggers is reliable. Purohit computes this pattern the same way every time, for free, with nothing to sell behind the verdict, so you can check any claim made about your chart against the actual math.

To see the Rahu-Ketu axis in the context of your complete chart, including which houses every other planet occupies and your dasha timeline, generate your free kundli. To talk through what a complete or partial verdict means for your specific chart, chat with Purohit on WhatsApp.