Not a kundali calculator. This tool ranks candidate birth dates using panchāṅga clues, Moon nakṣatra and Vimśottarī dāśā sequence, then rectifies birth time against your dated life events, Lagna, body and family pattern — and reports an honest confidence with every failed match shown.
All computation is sidereal (Lahiri). Coordinates and UTC offset drive the Lagna and dāśā balance — get the longitude right.
Default: Jaipur, India (+5.5). Western longitudes and offsets are negative.
Used to rank candidate dates before time rectification. Crucial for Mode B/C; harmless in Mode A. Family memories of festival, tithi, weekday or nakṣatra are often more reliable than a school-record date.
Low weight, but good for eliminating weak candidates — a C-section points to Mars/Ketu/8th, water nearby to Moon/Cancer/Pisces.
A "lived-pattern signature." These convert observed traits into Lagna / Moon / planetary signatures and act as a moderate tie-breaker (heavier in Mode C). They never override dated events. Rate 0 (not at all) → 5 (strongly).
Health items are pattern signatures, not medical diagnosis. Surgery/illness with a date should also be entered as a dated event below — that's where they carry real weight.
Parents validate the 4th/9th axis and D12. A parent's death date is one of the strongest anchors there is — enter it as a dated event in the timeline; the toggles here add supporting natal-pattern checks.
This is what actually rectifies the chart. Give 6+ dated events; mark the heavy ones (deaths, marriage, surgery) honestly. Accuracy now matters: a "month"-level date is weighted ~0.65, "year" ~0.35 of an exact date.
Confidence is meaningless unless the engine can recover a time it doesn't already know — and unless each scoring layer actually helps. This test hides a true time, generates consistent events, recovers it, then ablates: it removes each layer in turn to see whether accuracy gets worse (the layer earns its place) or doesn't (the layer is decoration). It checks internal consistency, not real-world accuracy (that needs a verified-chart database, which isn't built here).
Weighted blend behind this moment. Larger bars pulled harder toward the chosen time/date.
Every event scored on natal promise, dāśā at the event date, transit trigger, and KP cusp sub-lord (real Placidus). Failures are shown, never hidden.
Where a heavy event the native lived through is not supported by the chosen chart. Each contradiction lowers confidence.
Top scoring candidate moments. A lone spike with neighbours far below is a warning sign, flagged automatically.