Eastern Azure Dragon · 01
Jiao Mu Jiao（Horn Mansion）
Jiao Mu Jiao is the traditional deity title associated with the Horn Mansion. Horn opens the standard list of twenty-eight mansions and belongs to the Eastern Azure Dragon. The asterism in this reconstruction has two stars joined by one line.
Asterism reference
- Position in the atlas
- 1 / 28
- Four Symbols group
- Eastern Azure Dragon
- Stars in this diagram
- 2
- Determinative star
- HIP 65474
Reading this star map
Start at the red-ringed determinative star, HIP 65474, then follow the line to HIP 66249. That long pair is the visual key to this diagram. A determinative star provides a reference for a mansion boundary; it does not mean the star nearest Earth. The line length does not measure physical separation.
Understanding the deity title
The title combines Jiao (Horn), Mu (Wood) and Jiao (a dragon-like creature). The deity name describes a cultural image, while the two-star map identifies an asterism. The Wood character does not diagnose an excess or deficiency of Wood in a BaZi chart, nor imply that you should add that element.
What does this calculator result mean?
If a birthday lookup returns this mansion, the entered date is assigned to it by our daily almanac rules. It does not mean everyone born that day shares a personality, or that the Moon was inside this star pattern. Compare calendar, date and assignment system before comparing tools.
Twenty-Eight Mansions sculptures · Fucheng Jade Emperor Temple, Jincheng
Photo: Patrick20242023. Resized and compressed; Shen Shui Yuan is also cropped to isolate the figure.
Original photographs · CC BY-SA 4.0Further reading: personality associations
The historical text describes the roles of celestial asterisms. The life and personality associations below are our modern interpretations, not historical claims about people born on a particular date.
「爲天關，其間天門也」《晉書》卷十一・天文志上・二十八舍The text pictures Jiao as a celestial gateway. As a modern metaphor, it suggests someone who makes a first draft or tests a route when others are still waiting. Opening the way is valuable; expecting everyone to move at the same speed can leave companions behind.
Sources and image credits
The National Astronomical Observatory of Japan explains the classifications and calendar concepts. Star lines follow Stellarium Chinese Medieval, with positions from HYG v4.1. Our diagrams are attributed under CC BY-SA 4.0 and represent one reconstruction, not the only historical depiction.