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The 8-fold compatibility system used for marriage matching
Kundali Matching (Horoscope Matching) compares two birth charts to assess compatibility for marriage. The primary system is Ashta Kuta — 8 factors scored from the Moon's Nakshatra of both partners. The maximum score is 36 points (Gunas). Traditionally, a minimum of 18 Gunas (50%) is required for an acceptable match.
The system originates from the Muhurta Chintamani and other classical Jyotish texts. It is based on the principle that the Moon governs the mind (Manas), and therefore the Moon's Nakshatra at birth reveals one's emotional and psychological nature. By comparing the Nakshatras of two individuals, astrologers can assess harmony across spiritual, emotional, physical, and health dimensions. The 8 Kutas are weighted progressively — from 1 point (Varna) to 8 points (Nadi) — reflecting the increasing importance of each factor.
Total Ashta Kuta Points: 1+2+3+4+5+6+7+8 = 36 Gunas
Minimum for marriage: 18/36 (50%)
Both charts compared using Moon's Nakshatra position
Higher weight → higher importance: Nadi (8) > Bhakoot (7) > Gana (6) > ...
Our software calculates matching using the birth Moon Nakshatra of both partners. Each Kuta has specific rules — some use Nakshatra number, some use Rashi number, some use Nakshatra lord, and some use the Nakshatra's Yoni (animal symbol) or Gana (temperament). The algorithm checks all 8 factors and sums the points.
Algorithm Steps:
1. Input: Birth Moon Nakshatra and Rashi of both partners
2. For each Kuta, apply specific comparison rules
3. Sum all points → total Guna score out of 36
4. Check for Doshas (Nadi, Bhakoot, Mangal)
5. Apply cancellation rules if applicable
6. Assess Mangal Dosha separately from Lagna, Moon, and Venus
7. Generate detailed compatibility report with Kuta-wise breakdown
Important: A high score does not guarantee a happy marriage, nor does a low score doom one. The score is a starting point for deeper analysis. Many astrologers recommend that if the score is between 18-24, one should examine individual Kuta breakdowns — a score of 20 with Nadi Dosha (0/8 on Nadi) is far worse than a score of 20 with balanced distribution.
Nadi Dosha occurs when both partners have the same Nadi (Aadi/Vata, Madhya/Pitta, or Antya/Kapha). Since Nadi carries the highest weight (8 points), this dosha alone reduces the score by 8 points. Classical texts warn that same-Nadi couples may face health issues in progeny. However, several cancellation conditions exist:
नोट: निरसन होने पर भी कई ज्योतिषी सावधानी के रूप में नाड़ी शान्ति पूजा की सलाह देते हैं। निरसन गम्भीरता कम करता है किन्तु चिन्ता पूर्णतः समाप्त नहीं करता।
Bhakoot Dosha arises from certain Moon-sign combinations between partners. Three inauspicious pairs exist, each affecting a different life area:
Cancellation:
Cancellation:
Cancellation:
Mangal Dosha (Kuja Dosha) is not part of the Ashta Kuta point system, but it is always checked separately during marriage matching. Mars is a fiery, aggressive planet; when poorly placed, it is believed to bring conflict, accidents, or even danger to the spouse. A person is considered Manglik if Mars occupies houses 1, 4, 7, 8, or 12 from the Lagna, Moon, or Venus.
Mars in houses 1, 4, 7, 8, 12 from:
• Lagna (Ascendant) — checked in all traditions
• Moon — checked in most North Indian traditions
• Venus — checked in South Indian traditions (Kalathra Dosha)
While Ashta Kuta matching is a time-tested system rooted in Vedic wisdom, modern astrologers and scholars recognize that it is one tool among many. Here are important nuances: