{"tool":"vedic-compatibility-calculator","title":"Vedic Compatibility Calculator (Ashtakoota / Guna Milan)","summary":"Computes the traditional 36-point Ashtakoota (Guna Milan) Kundli matching score between two people from their sidereal Vedic Moon nakshatras and signs.","calculation_version":"1.0.0","methodology_url":"https://vedara.me/tools/vedic-compatibility-calculator#methodology","operationId":"calculate_vedic_compatibility_calculator","input_schema":{"type":"object","required":["person_a_birth_date","person_a_latitude","person_a_longitude","person_b_birth_date","person_b_latitude","person_b_longitude"],"additionalProperties":false,"properties":{"person_a_birth_date":{"type":"string","pattern":"^\\d{4}-\\d{2}-\\d{2}$","description":"Person A ISO 8601 birth date (YYYY-MM-DD)","example":"1990-06-15"},"person_a_birth_time":{"type":"string","pattern":"^\\d{2}:\\d{2}$","nullable":true,"description":"Person A local 24h time HH:MM; omit if unknown (noon is used)","example":"09:00"},"person_a_birth_timezone":{"type":"string","description":"Person A IANA timezone id","example":"Asia/Kolkata"},"person_a_latitude":{"type":"number","minimum":-90,"maximum":90,"example":28.6139},"person_a_longitude":{"type":"number","minimum":-180,"maximum":180,"example":77.209},"person_b_birth_date":{"type":"string","pattern":"^\\d{4}-\\d{2}-\\d{2}$","description":"Person B ISO 8601 birth date (YYYY-MM-DD)","example":"1988-03-20"},"person_b_birth_time":{"type":"string","pattern":"^\\d{2}:\\d{2}$","nullable":true,"description":"Person B local 24h time HH:MM; omit if unknown (noon is used)","example":"14:30"},"person_b_birth_timezone":{"type":"string","description":"Person B IANA timezone id","example":"Asia/Kolkata"},"person_b_latitude":{"type":"number","minimum":-90,"maximum":90,"example":19.076},"person_b_longitude":{"type":"number","minimum":-180,"maximum":180,"example":72.8777}}},"example_request":{"person_a_birth_date":"1990-06-15","person_a_birth_time":"09:00","person_a_birth_timezone":"Asia/Kolkata","person_a_latitude":28.6139,"person_a_longitude":77.209,"person_b_birth_date":"1988-03-20","person_b_birth_time":"14:30","person_b_birth_timezone":"Asia/Kolkata","person_b_latitude":19.076,"person_b_longitude":72.8777},"disclaimer":"Traditional Vedic framework for reflection, not a relationship verdict or professional advice."}