Shivanshu Pande

About Main Software

Twenty thousand charts

How Rare Is Your Chart?

I ran my natal engine across 20,000 randomly generated birth charts: real ephemeris positions, births from 1970 to 2005, random times, fifteen Indian cities. The result is a population baseline that almost no astrology practice publishes, so that when your report names a feature of your chart, you also know how common or rare that feature truly is.

HOW COMMON IS EACH FEATURE? share of 20,000 random charts carrying each feature At least one retrograde planet 68.4% Mangal Dosha in some form 49.6% Caution-class Mahadasha now 45.5% At least one exalted planet 45.4% In Sade Sati at this moment 25.1% Full classical Manglik cancellation 14.0% Half of humanity carries Mangal Dosha. Only one chart in seven earns its full cancellation.
Figure 1: population incidence of major chart features, natal engine v2.0.10, 20,000 charts.
1 in 4
people are inside Sade Sati at any given moment, exactly the 3-in-12 the geometry predicts
35.5%
of charts carry a retrograde Saturn, matching its astronomical retrograde fraction exactly
100%
of charts hold both a stronghold and a soft spot in Sarvashtakavarga: no chart is all good or all bad

The Lean House: Marriage in Ashtakavarga

Of the twelve houses, where does the chart’s transit support actually run thinnest? Across 20,000 charts the answer is unambiguous: the 7th, the house of marriage.

THE 7TH HOUSE IN SARVASHTAKAVARGA bindu strength of the marriage house, 20,000 charts 7th is the WEAKEST house of the chart 23.1% (chance would say 8.3%) 7th sits weak, 25 bindus or below 55.0% 7th sits strong, 30 bindus or above 16.6% 7th is the STRONGEST house of the chart 3.6% Mean 25.3 bindus against the all-house average of 28.1. The marriage house runs structurally lean. This is why the shastra dedicates more machinery to the 7th than to any other house.
Figure 2: the 7th house is the single weakest house in nearly one chart in four, three times what chance predicts.
25.0%
of people carry their 7th lord in a dushtana, exactly the 3-in-12 the mathematics predicts. If your report says it, you are one in four, not one in a thousand
39.7%
are running a Saturn, Rahu or Ketu Mahadasha right now. The heavy periods are not a curse, they are two people in five
1 in 6
people have the Moon in its own sign or exalted: the settled-mind baseline, measured 16.7% against the predicted 2-in-12 exactly
Mathematics agrees with simulation

Every baseline above is checkable on paper, and it checks out. Sade Sati covers three signs of twelve, predicting 25.0%: measured 25.1%. The 7th lord falls in a dushtana three signs in twelve: measured 25.0%, exact. The Moon sits own-sign or exalted two signs in twelve, 16.7%: measured 16.7%, exact. The lagna lord lands in a kendra or trikona half the time: measured 50.3%. At least one exalted planet among seven runs 45.6% by binomial arithmetic: measured 45.4%. The retrograde rates reproduce the astronomy of each planet exactly. When an engine’s twenty thousand trials land on the combinatorics to the first decimal, you can trust the one chart that matters: yours.

Why publish this?

Because context is honesty. A reading that calls your Mangal Dosha rare, or your Sade Sati a unique affliction, or your 7th-lord placement a calamity, is trading on fear of the unknown. Half of all charts carry the dosha in some form, a quarter of humanity shares your Sade Sati at this very moment, and one person in four carries the same 7th-lord placement you do. What is rare is the specific weave of your chart: which houses your lords serve, what protects what, and what the timing asks of you now. That weave is what a proper reading maps, source-first from the Brihat Parashara Hora Shastra and Bhrigu Sutram, with every rule stated in plain text.

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Study conducted on natal engine v2.0.10, June 2026. Method and full tables available on request.

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