Geng Wu·庚午·Gyeongo
The Geng Wu day pillar — written 庚午 in hanja, read 경오 (Gyeongo) in Korean Saju — is one of the sixty combinations of Heavenly Stem and Earthly Branch that mark a day in the sexagenary cycle. Everything below is read from that pillar’s own structure: its hidden stems, its Ten Gods, and its place in the twelve-stage life cycle.
Personality性
Geng — Yang Metal, conventionally the raw ore or unforged broadsword among the ten stems — sits here directly on Wu (午), a Fire branch that controls it in the five-element cycle: Fire melts Metal. This is a Day Master seated on its own controller, and the branch's hidden stems make plain how thoroughly. Ding (丁), Yin Fire, holds the primary qi phase at 11 of 30 days and expresses as 正官 Direct Officer — legitimate rule, duty, propriety, the pressure of rank and reputation. Bing (丙), Yang Fire, holds a residual qi phase at 10 days and expresses as 七殺 Seven Killings — the same control relationship but sharper, more adversarial, less concerned with legitimacy than with force. Between them, Fire accounts for 21 of the branch's 30 days: the native ground exerts near-constant pressure on the self, most of it wearing the face of duty, some of it wearing the face of open contest. The remaining 9 days belong to Ji (己), Yin Earth, 正印 Direct Resource — Earth produces Metal, so this stem is the one channel of relief in the branch, a capacity to draw support and learning from mentors and institutions rather than face the fire unaided. Layered onto this is the twelve-stage position of Bath (沐浴), traditionally the stage of a body just washed after birth — unformed, exposed, associated with charm and restlessness rather than settled strength. The result is a tension between an ore that has not yet hardened and a branch that is already demanding it perform like a finished blade.
Career職
The dominant ten god, Direct Officer from Ding, together with the residual Seven Killings from Bing, points toward institutional, rule-bound authority: law, government administration, corporate hierarchy, regulatory or military-adjacent work — anything where rank is earned by adherence to codified duty. The Seven Killings adds an edge the pure Officer lacks: tolerance for confrontation and competitive pressure, suiting enforcement, litigation, high-stakes negotiation, or crisis work where the pressure is adversarial rather than merely procedural. The Direct Resource in Ji supports paths built on credentials and mentorship — teaching, research, technical fields with formal certification. The Bath stage suggests an early career that rarely settles quickly: image-conscious or public-facing choices, false starts, before the Officer's discipline asserts itself and the person finds the structured, rule-governed lane that suits a Metal Day Master needing a forge rather than a workshop.
Wealth財
Neither 正財 Direct Wealth nor 偏財 Indirect Wealth appears among the branch's hidden stems, so wealth is not a native, actively pursued axis in this pillar. Income tends to follow rank and position rather than commerce — the Direct Officer and Seven Killings both channel resources through institutional standing, a salary or stipend earned by role rather than money made by trading or building. The Direct Resource in Ji reinforces this pattern: security comes through credentials, study, and institutional backing rather than direct earning. Absent a wealth star, there is little native instinct for speculation or active accumulation; money is handled competently once it arrives through position, but rarely pursued as an end in itself.
Love & Compatibility緣
The Bath stage carries a magnetism this pillar rarely intends to disguise — charm, sensory awareness, an attractiveness that draws romantic attention readily, alongside the stage's traditional restlessness and difficulty settling. Against that pulls the branch's own Officer and Seven Killings: a habit of measuring relationships by duty, propriety, and legitimacy, sometimes suppressing the very magnetism Bath supplies. The tension shows as a person drawn to intensity and admiration but who disciplines it toward committed, socially legitimate form, or who struggles when a partner's expectations feel more like Seven Killings — contest, pressure, rivalry — than the steadier claims of Direct Officer. What this person brings is loyalty once the role is settled; what proves difficult is trusting affection that offers no clear rule to follow.
Health身
The elemental picture is Metal under sustained control — a Yang Metal Day Master seated on a branch that is 21 of its 30 days Fire, with the moderating Earth of Ji only partly offsetting it. In five-element correspondence Metal governs the lungs and skin, Fire the heart; a Metal Day Master this exposed to Fire suggests constitutional sensitivity to inflammation, skin conditions, and respiratory strain under stress, along with a nervous system prone to overheating — restlessness, agitation, and disturbed sleep when pressure runs high. The Direct Resource Earth is the useful counterweight, since Earth produces Metal: grounding, steady routines, and adequate rest do more for this constitution than for one with less Fire to answer to.
Best & Worst Pairings合
The best matches all supply the branch 未 (Wei) to this pillar's own 午 (Wu) — a 六合 Six Harmony that binds and transforms the pair to Earth, softening the native Fire-control into a generating, supportive element, since Earth produces Metal. All three sit at 冠帶 Cap and Belt, the stage of formal coming-of-age, so the bond reads as maturing and legitimizing rather than volatile. 丁未 Ding Wei carries 正官 Direct Officer, mirroring this pillar's own dominant god and reinforcing shared values of duty and structure. 乙未 Yi Wei carries 正財 Direct Wealth, the one ten god missing from this pillar's own hidden stems, supplying an active relationship to money the native chart lacks. 己未 Ji Wei carries 正印 Direct Resource, doubling the support and mentorship channel already present as this pillar's minor qi. The worst matches all bring 子 (Zi), which 沖 clashes directly against Wu — striking the Day Master's own root — and each sits at 死 Death, a stage of depleted vitality. 丙子 Bing Zi doubles the Seven Killings pressure already resident in the branch with no Officer present to legitimize it. 甲子 Jia Zi brings 偏財 Indirect Wealth, an unstable, transactional money dynamic clashing against a foundation built on duty. 戊子 Wu Zi brings 偏印 Indirect Resource, a conditional, unreliable support that undercuts rather than steadies.