A plain-language guide to the traditional logic this service uses, written for people encountering Korean Saju for the first time.
Saju literally means "four pillars." Your birth year, month, day, and hour each become a pillar, and every pillar holds two characters — a Heavenly Stem on top and an Earthly Branch below. That makes eight characters in total, which is why it's also called Palja, meaning eight characters.
Among those eight characters, the Heavenly Stem of the day pillar — the Day Master — represents you. Everything else in the chart is read in relation to it, which is why compatibility readings begin by comparing two people's Day Masters.
Every character maps to one of five elements: Wood, Fire, Earth, Metal, Water. In the generating cycle, Wood feeds Fire, Fire makes Earth, Earth bears Metal, Metal carries Water, and Water grows Wood. In the controlling cycle, Wood breaks Earth, Earth blocks Water, Water quenches Fire, Fire melts Metal, and Metal cuts Wood. A generating relationship reads as one person naturally supporting the other; a controlling one reads as tension over who leads — which isn't automatically bad, just worth being aware of.
Each Heavenly Stem is either Yang (outward, initiating) or Yin (inward, receptive). When two people's Day Masters carry opposite polarity, tradition calls it a natural magnetic pull. Matching polarity is read as needing more deliberate effort.
Beyond the Day Master, readings also weigh how the Earthly Branches interact. A union between two branches suggests easy bonding; a clash suggests friction that surfaces as disagreement. This service cross-checks all eight branches across both charts, including resentment pairs and triads.
By counting whether the remaining characters support or drain the Day Master, a chart is read as strong, weak, or balanced. Strong charts tend to decide and drive things alone; weaker charts do better with the right people, timing, and environment. Ten-year luck cycles are then calculated from the month pillar.
This is entertainment. Traditional Saju is a centuries-old interpretive system, not a predictive science — and the AI side is a language model reading generational and psychological patterns, not a fortune teller either. The fun is in seeing where two very different lenses agree and disagree.