# The Chen 辰 mountain

> A house facing 120° is in the Chen 辰 mountain. Chen covers every bearing from 112.5° up to 127.5°, within the Xun 巽 trigram in the Southeast, element Earth. A house facing Chen sits Xu 戌 (292.5° – 307.5°) — described as sitting Xu, facing Chen. To be sure, measure the facing as an exact degree.

## Facts about the Chen mountain

- Name: Thìn · Chen · 辰
- Degree range: 112.5° – 127.5°
- Center: 120°
- Trigram: Xun 巽 (112.5° – 157.5°)
- Lines (bottom to top): yin, yang, yang
- Direction: Southeast
- Element of the mountain: Earth
- Element of the trigram: Wood
- Three Yuan dragon: Earth Yuan dragon
- Opposite mountain (sitting): Xu 戌 · 292.5° – 307.5°
- Neighbouring mountains: Yi 乙 · Xun 巽
- Birth-year mountain: Birth-year mountain of people born in a Chen (Dragon) year, with years counted from the Start of Spring.

## When measuring and setting polarity

The closer a facing is to the 112.5° or 127.5° boundary, the more easily a measuring error pushes it into Yi 乙 or Xun 巽. 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 112.5° – 127.5° sector, seen from the center of the house, belongs to Chen.

The three mountains of Xun 巽: [Chen 辰](https://myhomecheck.ai/learn/24-mountains/thin) · [Xun 巽](https://myhomecheck.ai/learn/24-mountains/ton) · [Si 巳](https://myhomecheck.ai/learn/24-mountains/ti)

## Questions about Chen

### Is a house facing 120° a Southeast-facing house?

Yes, but that is not precise enough. The Southeast spans 45° (112.5° – 157.5°) and holds three mountains, Chen, Xun, Si; a house facing 120° is in Chen. Naming the mountain tells apart houses only a few degrees from each other.

### What does a house facing Chen sit on?

It sits Xu 戌, 292.5° – 307.5°. Sitting and facing are always exactly 180° apart.

### Whose birth-year mountain is Chen?

It belongs to people born in a Chen (Dragon) year, counted from the Start of Spring rather than Lunar New Year. When the main door or an active, heavy item falls exactly in Chen, say precisely whose Chen birth-year mountain it touches.

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Original page: https://myhomecheck.ai/learn/24-mountains/thin  
Other languages: [Tiếng Việt](https://myhomecheck.ai/vi/tri-thuc/24-son/thin/index.md) · [中文](https://myhomecheck.ai/zh/learn/24-mountains/thin/index.md)  
Updated: 2026-10-21