Qimen vs Meihua Yishu: Nine-Palace Board or Hexagram Method?
Qimen constructs a multi-layer nine-palace board from a declared calendrical method. Meihua Yishu centers on deriving and changing hexagrams from a selected…
Overview
Qimen constructs a multi-layer nine-palace board from a declared calendrical method. Meihua Yishu centers on deriving and changing hexagrams from a selected number, time, or observed cue. They organize evidence differently. Choose Qimen when palace roles, multiple interacting layers, and an hour-chart audit are useful. Choose a hexagram method when the question and trigger are intentionally modeled through trigrams and change lines.
At a glance
- Page role
- System-boundary comparison
- Terms covered
- Qi Men vs Plum Blossom Numerology
- Verification focus
- Choose Qimen when palace roles, multiple interacting layers, and an hour-chart audit are useful. Choose a hexagram method when the question and trigger are intentionally modeled through trigrams and change lines.
- Stop rule
- This page compares method shape, not every lineage of Meihua Yishu. Name the exact casting rule on both sides before making stronger claims.
Direct answer and scope
Qimen constructs a multi-layer nine-palace board from a declared calendrical method. Meihua Yishu centers on deriving and changing hexagrams from a selected number, time, or observed cue. They organize evidence differently.
- Names and related terms: Qi Men vs Plum Blossom Numerology
How the rule is formed or checked
Choose Qimen when palace roles, multiple interacting layers, and an hour-chart audit are useful. Choose a hexagram method when the question and trigger are intentionally modeled through trigrams and change lines.
Keep the cast moment, UTC offset, method version, palace, and interacting symbols visible before adopting an interpretation.
How to use this in a reading
Do not translate a Qimen gate directly into a trigram judgment or import a changing line into a Qimen palace. Compare conclusions only after each system completes its own rule path.
- Name the visible chart fact before assigning symbolic meaning.
- Compare the asker and matter anchors with every layer in their palaces.
- Record at least one supporting condition and one counter-signal.
- End with a reversible action and an observable review point.
Worked contrast
A time-triggered hexagram may be quick to cast, while a Qimen board exposes more layer-specific diagnostics. More layers do not guarantee greater accuracy; they increase audit requirements.
Common mistake and limit
This page compares method shape, not every lineage of Meihua Yishu. Name the exact casting rule on both sides before making stronger claims.
Sources and editorial basis
- 猪野毅「奇門遁甲の基礎的研究」Abstract and pp. 161–185: history and vocabulary; nine palaces; Three Wonders and Six Instruments; Eight Gates, Nine Stars, and deities; 排宮 and 飛宮 method distinction.A 2010 Hokkaido University research article used for historical vocabulary, the basic board structure, and the documented distinction between rotating-palace and flying-palace approaches. It does not test predictive accuracy.
- NCC-T06 奇門遁甲專業版操作手冊NCC-T06 manual setting and board-field sections: configurable plate, center, bureau, deity, and day-boundary axes; used as evidence of modern method variation only.A modern professional-software manual used to document that plate, center, bureau, deity, and day-boundary settings vary. It is evidence of configurable practice, not an independent historical authority or accuracy study.
- OpenFate Qimen hour-chart methodOpenFate docs/QIMEN_SYSTEM.md, “Professional calculation contract,” “Interpretation and evidence contract,” and “Rule-source map,” source-reviewed 2026-09-12.Product-specific reference for OpenFate’s fixed-offset civil-time, hour-Qimen, rotating-plate, Chaibu implementation and its deterministic chart fields. A source review on 2026-09-12 does not prove live deployment, other schools, or predictive validity.