The narrow evidence-only output is safer and more accurate than a generic answer built from a date table or copied result. Technical availability does not turn a proposed tradition rule into an authoritative judgment.
What the calculator tests
The mangal-dosha-lahiri-v1 technical profile uses a sidereal Lahiri chart with Whole Sign houses. It tests Mars in houses 1, 2, 4, 7, 8, or 12 from three reference points: Ascendant, Moon, and Venus. For each reference, the evidence follows house=((marsSign-referenceSign+12)%12)+1.
The calculator reports Mars's position, the Ascendant, each reference sign, the derived house, raw rule evidence, fixed settings, and ruleset version. It does not collapse the three references into an unexplained severity label.
Why exact birth data is required
The Ascendant and houses depend on precise local time and place. Date-only input cannot support the complete proposed rule. Historical IANA timezone conversion, selected coordinates, and daylight-saving ambiguity must be handled before the chart is calculated.
Unknown time blocks the result rather than becoming noon. The current form does not offer a Moon-only or Venus-only subset as a complete Mangal Dosha calculation.
Rules deliberately excluded
Intensity tiers, anshik or poorna labels, cancellations, exceptions, and remedial recommendations are outside v1. Sources differ on those topics, and adding them without explicit specialist decisions would conceal the rule choice behind a confident label.
Responsible interpretation
Mangal Dosha belongs to a cultural and astrological tradition. A computational match to a declared rule does not scientifically predict marriage quality, fertility, violence, separation, health, death, or misfortune. It does not determine whether two people should marry or continue a relationship.
The page uses neutral language and preserves agency. It does not call a person cursed, defective, dangerous, or doomed, and it does not sell a ritual, gemstone, mantra, or other remedy based on fear.
Limitations
Different systems may count from different references, use different houses, apply cancellations, or choose another ayanamsa or house method. Results cannot be compared without matching all settings. A versioned ruleset explains one choice; it does not make it universally authoritative.
Astrology is provided for entertainment and reflection. Consent, safety, health, and relationship decisions require real-world information and appropriate support.
Privacy in the calculator
Only required date, time, IANA zone, and manual-coordinate fields travel by same-origin POST; they are processed transiently and returned with private, no-store behavior. There is no city lookup, saved chart, or account. Inputs and results must be excluded from URLs, storage, logs, traces, replay, analytics, metadata, advertising, and quiz links.
Explanatory example
A synthetic fixture might place Mars four whole signs from a test Ascendant while Moon and Venus give other houses. The calculator lists each reference and whether house 4 belongs to the proposed set. It does not infer an event, severity, cancellation, or remedy. This illustrates the proof format rather than a personal reading.
Frequently asked questions
Can I check Mangal Dosha now?
Does the proposal include cancellation rules?
Can I calculate it without birth time?
Not the complete proposed rule, because the Ascendant and houses require adequate time and place.
Does a matched rule predict marriage problems?
No. It is a symbolic tradition rule and cannot predict relationship outcomes.
Will the page recommend a remedy?
No fear-based or paid remedy, ritual, mantra, or prescription is permitted.
Conclusion
Sources
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