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Nine Star Ki · Star 6 of 9

六白金星, Six White Metal: the star of heaven

六白金星, Six White Metal, is the sixth of the nine stars: white, Metal, in the north-west palace at the bottom right of the Lo Shu square, the place of the 乾 (Ken) trigram, heaven and the father. Japanese practitioners read a person whose year star is 六白 as earnest, principled and strict, with a strong sense of responsibility.

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The Lo Shu square drawn South on top, the numbers 4 9 2, 3 5 7, 8 1 6 each with its count of dots; the cell of 6, at the bottom right, is outlined and tinted, and labelled North-west, 乾宮. S N E W 4 9 2 3 5 7 8 1 6 六白 Six White Metal North-west · 乾宮 Trigram ☰ Lo Shu · South on top
Six White Metal in its home palace: the bottom right cell, the north-west, on a board drawn South on top.

Facts

Number
6 of 9
Japanese name
六白金星 (ろっぱくきんせい, roppaku kinsei)
Literal name
Six White Metal Star; compact label 6 Metal
Colour and phase
White (白); Metal (金)
Trigram
乾 ☰ Ken (Chinese Qián), heaven
Home palace
乾宮, the north-west: the bottom right of the square
Branches of the palace
戌 and 亥
Chinese forms
六白金星; in Chinese feng shui also 六白武曲星
House on the boards
The sixth of nine: the strong phase
Recent years of this star
1985, 1994, 2003, 2012, 2021 (each from 立春)
Opposite palace
巽宮, the south-east, home of 四緑
Phase relations
Generated by Earth (2, 5, 8); generates Water (1); shares Metal with 7

Meaning

Six White Metal is the north-west palace, the place of the 乾 trigram, heaven. In the Shuogua's circuit of the year this is a place of contest: "戰乎乾", there is a struggle in 乾, where the light and the dark press against each other as autumn turns to winter. The trigram is the father of the trigram family and stands for heaven and the ruler.

Japanese practitioners read a person whose year star is 六白 as earnest and principled, with a strong sense of justice and responsibility and a strict streak; some say the type comes into its own later in life. Our own text calls it heaven and the sword: principled, disciplined and dignified, a leader who sets standards and keeps them, with rigidity, pride and distance as the shadow side. The Kushi line calls the number 6 Metal and gives it late autumn, the evening and the themes of harvest and completion.

On the boards

六白 is the star of the solar years 1985, 1994, 2003, 2012 and 2021, each from 立春. The year board of 1886, printed in a Meiji almanac handbook shown on the system page, has 六白 in the centre. In a 六白 year the first solar month has the star 五黄, so a 六白 person born in the 戌 month, from 寒露 in early October to 立冬 in early November, has 六白 as their month star too, and the inclination falls on the centre.

With any other month star in the centre, a 六白 year star lands in 坎宮 (month star 1), 離宮 (2), 艮宮 (3), 兌宮 (4), 乾宮 (5), 巽宮 (7), 震宮 (8) or 坤宮 (9).

The north-west palace is the sixth house of the nine-step rhythm, which the tradition reads as the strong phase, a time of authority, completion and recognition for the work done. The tradition counts a direction auspicious for a 六白 person where 二黒 or 八白 stands, the Earth that generates Metal (生気; 五黄 is never counted); where 七赤 stands, the other Metal star (比和); or where 一白 stands, the Water that Metal generates (退気). These are the tradition's readings, shown with their names; we advise no journey or move.

The trigram's classical correspondences

The Shuogua's lists for 乾:

  • Family member: the father (父).
  • Part of the body: the head (乾為首).
  • Image: heaven (乾為天); Legge's translation adds a circle, a ruler, jade and metal among its images.
  • Polarity of the trigram: yang, as the father.

These are the trigram's symbols in a classical text, not statements about anyone's body, and no source we found gives the star itself a yin or yang.

Names

The Japanese name reads roppaku kinsei: 六 six, 白 white, 金 metal, 星 star. The Traditional Chinese form is the same; Chinese feng shui also calls it 六白武曲星, after 武曲, the sixth star of the Northern Dipper in the 五行大義. The trigram is read Ken in Japanese and Qián in Chinese; in Zheng Xuan's commentary the spirit Taiyi leaves the centre for 乾, the sixth step of its round. Its doubled form is hexagram 1 of the I Ching, the first of the classic.

Correspondences

Each item with how it stands: “sourced” is in the work cited, “our construction” is EsoTerrier’s own, and “disputed” means the sources disagree.

Place in the Later Heaven circuit
The north-west, where the Shuogua says the light and the dark press on each other; between autumn and winter sourced
The Kushi line's season and hour
Late autumn and evening, under the name 6 Metal; a modern Western reading sourced
Character taught in Japan
Earnest, with a sense of justice and a strict streak; comes into their own later sourced
Chinese Dipper name
武曲, the sixth star of the Northern Dipper; a name only here sourced
Our one-line image
Heaven and the sword our construction
Our reading of its house
The strong phase, read as a time of authority, completion and recognition for the work our construction
Yin or yang of the star itself
No source gives one; the 乾 trigram is the father and yang disputed

How the schools read it

Japanese 気学
Earnest and principled, with a strong sense of justice and responsibility, strict with themselves and others.
The Kushi line
"6 Metal": late autumn and evening, harvest and completion.
Chinese feng shui (Xuan Kong)
Names the number 六白武曲星 and reads it for the sectors of a building over time; that reading is not about people and is not shown here.
Eight Mansions feng shui
A Kua number of 6 is the 乾 life trigram, from a formula that differs for men and women: a different number from the year star.
EsoTerrier
Heaven and the sword: principled, disciplined and dignified, a leader who sets standards and keeps them, with rigidity, pride and distance as the shadow side.

Claims about it

  • The Chinese flying-star reading of 六白 describes the people born under it.

    disputed

    What the record shows: In Xuan Kong feng shui that reading belongs to the number when it flies into a sector of a building. Japanese kigaku reads the birth star as character; we show only the Chinese name.

  • Six White Metal rules a part of the body.

    unverified

    What the record shows: The Shuogua gives the 乾 trigram a part of the body as a symbol; the Western books turned such symbols into body lists for the stars. We give the symbol only in the trigram's block.

  • 六白 has a fixed yin or yang of its own.

    unverified

    What the record shows: No Japanese source gives one. The Shuogua makes its trigram, 乾, the father and yang.

  • Six White Metal is a star in the sky.

    false

    What the record shows: It is the number 6 of the Lo Shu with its colour and phase; "star" is a counting name.

Elsewhere on EsoTerrier

Sources

Primary texts (4)
  1. James Legge, trans., The Yî King (Sacred Books of the East, vol. XVI), Appendix V, the Shuo Kwa. Oxford: Clarendon Press, 1882. archive.org/details/sacredbooksofchi16conf
  2. 周易: the 繫辭 (Great Commentary) and the 說卦 (Treatise on the Trigrams). Chinese text, Wikisource. zh.wikisource.org/wiki/周易/說卦
  3. 蕭吉 (Xiao Ji), 五行大義, juan 4 and 5. Sui dynasty. Chinese text, Wikisource. zh.wikisource.org/wiki/五行大義/4
  4. 周易乾鑿度 (Qian zuo du), Han apocrypha, with the commentary of 鄭玄 (Zheng Xuan, 127 to 200). Siku quanshu text, Wikisource. zh.wikisource.org/wiki/周易乾鑿度_(四庫全書本)
Studies and other sources (11)
  1. "九星", Japanese Wikipedia (orientation only). ja.wikipedia.org/wiki/九星
  2. "九星気学", Japanese Wikipedia (orientation only). ja.wikipedia.org/wiki/九星気学
  3. 9starki.com (the Kushi line, online since 1996): FAQ, toolbox and information pages. Facts only. 9starki.com/faq.htm
  4. stellica.jp, a guide to the inclination palace (2025). Facts only. stellica.jp/blog/kyusei-keishakyu-guide
  5. picora.net, pages on 同会 and the nine-year cycle (2025). Facts only. picora.net/column/kyusei/doukai
  6. nonbirito.jp, pages on the boards and the auspicious directions (2025). Facts only. nonbirito.jp/kakuhouiban-kippoui
  7. shin-yu.net, the character and direction calculators, in Japanese and English (2026). Facts only. shin-yu.net/kyuseikigaku/seikaku
  8. Kua number pages: yourchineseastrology.com, fengshui-expert.fr and fengshui-village.com (2025). Facts only. yourchineseastrology.com/feng-shui/direction
  9. 星林學苑, "玄空九星" (2024), on the nine stars of Xuan Kong feng shui. Facts only. 108s.tw/article/info/291
  10. David Snieckus, after Roel Hill, "Nine Star Ki" (2007), a table of the Kushi line. Facts only. davidsnieckus.com/nine-star-ki
  11. Oggi.jp (Shogakukan), "九星気学とは? 本命星の性格と運勢" (2025). Facts only. oggi.jp/6772474
Our own research (2)
  1. EsoTerrier, Nine Star Ki research and validation, 10 to 14 October 2026.
  2. EsoTerrier calculation engine, the Nine Star Ki service and its documentation.

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By EsoTerrier. Written with AI assistance from our research and checked against its sources; last revised 19 October 2026. How we write these pages.

First published ; last revised . Corrections: support@esoterrier.com.