Zi Wei Dou Shu Chart Construction

Palace Stems and the Five Tigers Rule: A Source-Reviewed Guide

Learn Palace Stems and the Five Tigers Rule with sourced evidence, reproducible steps, an example, variants, and clear limits.

English name
Palace Stems and the Five Tigers Rule
Pinyin
Gōng Gān yǔ Wǔ Hǔ Dùn
Simplified Chinese
宫干与五虎遁
Traditional Chinese
宮干與五虎遁
Also called
palace Heavenly Stems · Five Tigers rule · 宮干と五虎遁による寅首 · 궁간과 오호둔으로 정하는 인궁 시작 · Gong Gan yu Wu Hu Dun

Editorially reviewed: · Reviewed by OpenFate · Editorial Methodology

Overview

Palace Stems and the Five Tigers Rule covers one defined scope: How the Five Tigers rule establishes the starting Heavenly Stem and distributes palace stems around the chart. This page shows what evidence can be checked, how to repeat the method, and how a correct example differs from a near miss. Its limit is explicit: Palace stems are deterministic labels; any flying-transformation interpretation requires a separately named school rule.

At a glance

Direct scope
How the Five Tigers rule establishes the starting Heavenly Stem and distributes palace stems around the chart.
Evidence to verify
Verify the birth-year stem, the Five Tigers mapping for the Yin-palace stem, sequential stem assignment across twelve branches, and stored palace stem values.
Reading or calculation method
Look up the Yin starting stem from the year stem, assign stems in branch order, wrap after ten, and validate every palace against the expected sequence.
Worked example
A Jia-year lookup establishes the starting stem at Yin, after which the audit lists all twelve palace stem-branch pairs in order.
Variant to record
Display orientation can reverse visually while the canonical branch sequence stays fixed; flying schools may also use palace stems differently after placement.
Limits and safety
Palace stems are deterministic labels; any flying-transformation interpretation requires a separately named school rule. A text can document a historical rule, and a calculator can document a computed field. Neither one proves a fixed personality, a future event, or scientific predictive validity.

Definition and Meaning

Palace Stems and the Five Tigers Rule has one defined scope on this page: How the Five Tigers rule establishes the starting Heavenly Stem and distributes palace stems around the chart.

A supported reading of Palace Stems and the Five Tigers Rule needs this page-specific evidence: Verify the birth-year stem, the Five Tigers mapping for the Yin-palace stem, sequential stem assignment across twelve branches, and stored palace stem values.

  • Before interpreting Palace Stems and the Five Tigers Rule, complete this verification: Record the input, source edition, rule version, and output needed for Palace Stems and the Five Tigers Rule.

Calculation Evidence and Reading Method

Apply the Palace Stems and the Five Tigers Rule evidence through this reproducible method: Look up the Yin starting stem from the year stem, assign stems in branch order, wrap after ten, and validate every palace against the expected sequence.

The source boundary for Palace Stems and the Five Tigers Rule determines what may be claimed: Name the source, exact chapter or section, edition or rule version, and access date. Keep transmitted doctrine, modern implementation policy, and scientific timekeeping evidence in separate columns.

Worked Example and Near Miss

The bounded example applies those conditions without extending the claim: A Jia-year lookup establishes the starting stem at Yin, after which the audit lists all twelve palace stem-branch pairs in order.

The nearest overreach drops or changes a required condition: The natal year stem is copied into every palace instead of using it only to derive the starting stem.

School Variants and Scope Differences

Keep this documented variant separate when comparing results: Display orientation can reverse visually while the canonical branch sequence stays fixed; flying schools may also use palace stems differently after placement.

Limits, Boundaries, and Safe Use

The Palace Stems and the Five Tigers Rule interpretation stops at this stated limit: Palace stems are deterministic labels; any flying-transformation interpretation requires a separately named school rule.

Consequential decisions remain outside the Palace Stems and the Five Tigers Rule chart reading: A text can document a historical rule, and a calculator can document a computed field. Neither one proves a fixed personality, a future event, or scientific predictive validity. Use the result as a transparent study or calculation aid. Consequential medical, legal, financial, safety, or relationship decisions require current real-world evidence and qualified advice.

  • Use the Palace Stems and the Five Tigers Rule result to choose one observable, reversible next step rather than predicting an outcome.

Complete topic index

Every workbook topic assigned to this canonical page appears at a stable anchor. Each entry records scope, inputs, flags, and alias ownership as an auditable reference—not a standalone interpretation. Duplicate backlog rows resolve to the same anchor instead of creating duplicate URLs.

Conditions and inputs
  • Missing-input rule: if a listed input or verified chart value is unavailable, stop at the definition; do not infer, calculate, or predict the missing value.
  • Calculation flag: yes. Reproduce the required inputs and versioned rule before interpretation.
  • School-variant flag: yes. Apply only under an identified school or calculation policy and compare the alternate rule.
  • School-variant flag: sometimes. Check whether the page’s named rule or school condition applies before using this component.
  • Calculation flag: partial. Some steps are rule-based, but this atom does not establish a complete computed result; verify the page’s stated inputs and interpretive boundary.
Category and guidance boundary
  • Apply this only under the named calculation or school policy, and compare alternate rules before treating the result as reproducible.
Source inheritance
Complete topic index does not assert an atom-specific citation. It inherits this canonical page’s bibliography and locator notes as page-level context only; verify the relevant cited passage before relying on a claim.

Sources and editorial basis

  1. 《紫微斗數全書》 (Ziwei Doushu Quanshu)
    《紫微斗數全書》卷二「起五行寅例」:甲己之歲起丙寅至戊癸之歲起甲寅A searchable transcription of the transmitted three-volume text, used for named rules, palace chapters, and historical star descriptions—not as scientific validation.
  2. iztro 紫微鬥數安星訣
    iztro「紫微鬥數安星訣」第1節「定寅首訣」之五虎遁表與順排步驟A public rule catalogue for placing the Life and Body Palaces, the twelve roles, Zi Wei, major-star systems, and Four Transformations, with explicit variant notes.
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