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DAY PILLAR · 6 OF 60
己巳

Gi-Sa day pillar

Yin Earth over the Snake기사일주 · BaZi: Ji Si

A field warmed by the sun. A warm, capable nature with a quick mind and strong backing.

The picture

Gi-Sa is farmland in sunshine. Yin Earth sits on the Snake, whose Fire produces it, so the soil is warm, dry and fertile. This pillar is practical, clever and self-assured, with a talent for learning what is useful and applying it. There is metal hidden in the Snake as well, which gives a skill that can be put to work. The risk is too much heat: pushing hard and drying out.

What the pillar is made of

PartIn Gi-Sa
Day Master己 Gi, Yin Earth
Day branch巳 Sa, the Snake
Hidden stems戊 Mu: Rob Wealth庚 Gyeong: Hurting Officer丙 Byeong: Direct Resource (main)
Life stagePeak 帝旺
Void branches戌 Sul (Dog), 亥 Hae (Pig)
Stars it carriesNone of its own

The Day Master sits on the element that produces it, in the opposite polarity. Support is underfoot: a nurturing home, a caring partner, and a habit of thinking before acting.

These are the facts every Gi-Sa chart shares, whatever the other three pillars hold. They are taken from the same engine that calculates your chart.

Strengths

  • Practical intelligence.
  • Confidence that comes from being well supported.
  • The ability to turn knowledge into results.

What to watch

  • Pride.
  • Impatience with slower people.
  • Driving itself and others too hard.

In relationships

Gi-Sa is loyal and expects loyalty. It looks for a partner who is supportive and protective, and it gives steady, practical care in return.

At work

Education, administration, finance, skilled professions, food and agriculture. It suits roles where competence is visible.

A day pillar is one of four. Two people born on a Gi-Sa day in different months and hours have different charts: the season decides how strong the Day Master is, and the other pillars add their own ten gods and interactions. Read this page as the starting point, then look at the whole chart.

Questions people ask

What does the Gi-Sa day pillar mean?
Gi-Sa (己巳) is Yin Earth over the Snake: a warm, capable nature with a quick mind and strong backing.
How do I know if Gi-Sa is my day pillar?
The day pillar comes from a sixty-day cycle and from true solar time at your birthplace, so it cannot be worked out from your birth year or zodiac animal. Calculate your chart: if the Day column shows 己巳, this is your pillar.
What is 己巳 called in Chinese BaZi?
Ji Si. It is the same pillar. Korean Saju reads the characters as Gi-Sa and calls it Gisa ilju (기사일주); BaZi sources write Ji Si in pinyin.
Which life stage and void branches go with Gi-Sa?
On its own seat the Day Master is at the Peak stage (帝旺). The emperor’s height: maximum strength. Powerful, sometimes overbearing; the phase before decline. The void branches for this pillar are 戌 Sul (Dog) and 亥 Hae (Pig). The strength of the whole chart depends mostly on the birth month, not on this stage alone.
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