Free AI Saju compatibility (Gunghap) analysis. Check Day Master harmony, Five Elements balance, love match, and marriage timing with BaZi compatibility charts.
Saju (사주, 四柱), also known as BaZi or Four Pillars of Destiny, analyzes a person's fate through the Year, Month, Day, and Hour pillars of birth. Each pillar contains a Heavenly Stem and Earthly Branch, forming a unique 8-character chart.
Saju compatibility — called "궁합" (Gunghap) in Korean — examines how two people's charts interact. It analyzes Day Master harmony, Five Elements balance between partners, and favorable periods for love and marriage.
Unlike Western astrology compatibility, Saju looks at the dynamic interaction of energies: whether your elements support or challenge each other, and whether your 10-year fortune cycles (Daewoon) align.
Day Master Harmony — The core compatibility check. Your Day Master (日干) and your partner's, how their elements interact, support, or challenge each other.
Five Elements Balance — Does your combined chart have balanced Wood, Fire, Earth, Metal, and Water? Complementary elements often make the strongest pairs.
Love & Marriage Timing — When are favorable periods for romance and marriage based on your 10-year fortune cycles (Daewoon) and annual fortune (Saewoon)?
Clash & Harm Analysis — Identifies potential tension points: Earth Branches that clash (충, Chung) or harm (형, Hyeong) between the two charts.
Spouse Palace Reading — Your Day Branch (일지) is the "Spouse Palace." Its relationship with your partner's chart reveals intimacy and daily life harmony.
Overall Score — A holistic compatibility score based on Day Master, elements, and palace analysis, with actionable insights for your relationship.
These "합" (合, Combination) pairs represent natural attraction in Four Pillars theory. They're a starting point — full compatibility requires analyzing the complete chart.
甲 × 己 (Wood × Earth, High Harmony) — Complementary energies, Wood's growth balanced by Earth's stability. 乙 × 庚 (Wood × Metal, Strong Bond) — Metal shapes Wood into something refined. 丙 × 辛 (Fire × Metal, Intense Attraction) — Fire melts Metal, creating brilliance. 丁 × 壬 (Fire × Water, Magnetic Pull) — Opposites that need each other. 戊 × 癸 (Earth × Water, Nurturing Union) — Earth holds Water in place.
* These represent Heavenly Stem combinations (천간합). Full compatibility analysis also includes Earthly Branch relationships.
vs Western Astrology — Uses birth date AND time (hour), 8-character chart vs 1 sun sign, analyzes dynamic element interactions, includes fortune timing cycles, more granular personality layers.
vs MBTI Compatibility — Birth-based vs questionnaire-based, cannot change over time (more stable), includes timing for relationship events, reveals subconscious tendencies, predicts relationship challenges ahead.
vs Chinese Zodiac — Uses all 4 pillars vs just birth year, Day pillar = core self (more accurate), Five Elements depth analysis, includes hour of birth for precision, individual rather than generational patterns.
1. Enter Both Birth Dates — Input your name and birth date (and your partner's). Birth time increases accuracy but is optional.
2. AI Analyzes (3 min) — Our AI calculates both Saju charts using precise Manseryeok (traditional Korean almanac) data and analyzes compatibility.
3. Get Your Results — Receive Day Master harmony score, Five Elements analysis, relationship timing, and practical insights.
Saju compatibility reveals the energetic harmony and potential challenges between two people. High compatibility suggests natural synergy, but all relationships require effort. Saju helps you understand each other's patterns and the best timing for key decisions.
Birth time adds the Hour Pillar (시주), which refines the analysis — especially for the Spouse Palace (일지) and timing of romantic events. Without birth time, the Year, Month, and Day Pillars still provide substantial compatibility insights.
Low compatibility doesn't mean the relationship is doomed. It indicates areas where you'll need more conscious effort. Many successful couples have challenging Saju combinations — understanding the tensions helps you navigate them.
Traditional Gunghap (궁합) is the Korean term for Saju compatibility analysis. FateAIverse performs a modern AI-powered Gunghap analysis using the same traditional Four Pillars theory, providing the Day Master harmony, Five Elements balance, and timing analysis.
Basic compatibility analysis is free. Advanced analysis including detailed Daewoon timing, clash/harm analysis, and personalized relationship advice is available as a premium feature.