Ji Si · 己巳
Ji Si pairs a Yin Earth 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 Earth · 己 — The classical image for 己 is field soil: earth that takes seeds, holds water, and turns time into harvest. A Yin Earth Day Master tends to make things grow — people, projects, households — often without appearing in the credits.
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 Resource
Direct resource — care, credentials, protection, and knowledge that steadies the self.
庚
Output (Sharp)
Sharp output — wit, critique, and originality that can cut as well as create.
戊
Rival Wealth
Opposite polarity, same element — close competition, shared resources, sharp give-and-take.
Na Yin
The Na Yin of Ji Si is 大林木 — "Great Forest Wood". 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
Peak — Peak force — maximum expression of the Day Master in this branch.
Void branches (Xun Kong)
Charts anchored on 己巳 treat 戌亥 as "void" — branches whose signals are read as weakened or delayed rather than absent.
Is Ji 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.