Gui Si · 癸巳
Gui Si pairs a Yin Water Day Master with 巳 (the Snake), a Fire branch. If this is your day pillar, the pairing below describes tendencies worth observing — not a verdict.
The Day Master on top
Yin Water · 癸 — The classical image for 癸 is rain, dew, still water: the water that reaches roots without announcing itself. A Yin Water Day Master tends to perceive first and speak later — patterns, moods, and implications register before anyone has named them.
Read the full profile →The branch beneath — your spouse palace
In a day pillar, the branch is read as the spouse palace: the texture of close partnership. 巳 (the Snake) carries these hidden stems, each read as a relationship between that stem and your Day Master:
丙
Direct Wealth
Direct wealth — steady earnings, tangible assets, and accountable exchange.
庚
Direct Resource
Direct resource — care, credentials, protection, and knowledge that steadies the self.
戊
Authority
Authority with structure — rules, reputation, duty, and roles that hold you accountable.
Na Yin
The Na Yin of Gui Si is 长流水 — "Long-Flowing Water". Na Yin is a poetic sixty-fold naming of the pillars, used as a secondary texture rather than a primary verdict.
Stage of the cycle
Conception — Seeded — a new cycle is conceived but not yet visible.
Void branches (Xun Kong)
Charts anchored on 癸巳 treat 午未 as "void" — branches whose signals are read as weakened or delayed rather than absent.
Is Gui Si actually your day pillar?
The day pillar comes from your exact birth date — and near midnight, from true solar time. Calculate it instead of guessing.
As with everything on Truenoon, this page describes observable tendencies, not a verdict on who you are.