24 Mountains · Mountain 2

The Gui 癸 mountain

7.5° – 22.5° · Kan 坎 trigram · North

Written by: Home Check Updated: 21 Oct 2026

Facts about the Gui mountain

Name: Quý · Gui · 癸
Degree range: 7.5° – 22.5°
Center: 15°
Trigram: Kan 坎 (337.5° – 22.5°)
Lines (bottom to top): yin, yang, yin
Direction: North
Element of the mountain: Water
Element of the trigram: Water
Three Yuan dragon: Human Yuan dragon
Opposite mountain (sitting): Ding 丁 · 187.5° – 202.5°
Neighbouring mountains: Zi 子 · Chou 丑
Birth-year mountain: Not a birth-year mountain — only the 12 Earthly Branch mountains match a birth year.

When measuring and setting polarity

The closer a facing is to the 7.5° or 22.5° boundary, the more easily a measuring error pushes it into Zi 子 or Chou 丑. When a reading falls within 1° of either boundary, measure again at several points before setting polarity.

Once polarity is set, every room, door or item lying within the 7.5° – 22.5° sector, seen from the center of the house, belongs to Gui.

Set polarity House facing

Read your own degree

The three mountains of Kan 坎

Questions about Gui

Is a house facing 15° a North-facing house?

Yes, but that is not precise enough. The North spans 45° (337.5° – 22.5°) and holds three mountains, Zi, Gui, Ren; a house facing 15° is in Gui. Naming the mountain tells apart houses only a few degrees from each other.

What does a house facing Gui sit on?

It sits Ding 丁, 187.5° – 202.5°. Sitting and facing are always exactly 180° apart.

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Markdown version of this page Index for machine readers (llms.txt)