24 Mountains · Mountain 18
The Geng 庚 mountain
247.5° – 262.5° · Dui 兑 trigram · West
Facts about the Geng mountain
- Name
- Canh · Geng · 庚
- Degree range
- 247.5° – 262.5°
- Center
- 255°
- Trigram
- Dui 兑 (247.5° – 292.5°)
- Lines (bottom to top)
- yang, yang, yin
- Direction
- West
- Element of the mountain
- Metal
- Element of the trigram
- Metal
- Three Yuan dragon
- Earth Yuan dragon
- Opposite mountain (sitting)
- Jia 甲 · 67.5° – 82.5°
- Neighbouring mountains
- Shen 申 · You 酉
- 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 247.5° or 262.5° boundary, the more easily a measuring error pushes it into Shen 申 or You 酉. 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 247.5° – 262.5° sector, seen from the center of the house, belongs to Geng.
Read your own degree
The three mountains of Dui 兑
Questions about Geng
Is a house facing 255° a West-facing house?
Yes, but that is not precise enough. The West spans 45° (247.5° – 292.5°) and holds three mountains, Geng, You, Xin; a house facing 255° is in Geng. Naming the mountain tells apart houses only a few degrees from each other.
What does a house facing Geng sit on?
It sits Jia 甲, 67.5° – 82.5°. Sitting and facing are always exactly 180° apart.
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Markdown version of this page Index for machine readers (llms.txt)