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Direction Casting (Fang Wei Qi Gua)

Direction casting (方位起卦, fāng wèi qǐ guà) generates hexagrams based on compass directions. Since each of the eight directions corresponds to a trigram in the Bagua system, observed or significant directions can become the basis for divination.

Last updated · Jan 14, 2026

Verifiable sources & quotesSpatial awarenessBagua integration
Direction Casting — Hexagram from compass directions

Meaning and Context

Direction casting draws on the fundamental connection between the eight trigrams and the eight compass directions. This relationship is established in the Later Heaven (King Wen) arrangement of the Bagua.

  • Foundation: Each direction corresponds to a trigram
  • Method: Observe a direction related to the question, convert to trigram
  • Applications: Person approaches from a direction, question involves a place, etc.
  • Extension: Combine with time or other methods for complete hexagram
Direction-trigram mapping (Later Heaven)
South=Li(Fire), North=Kan(Water), East=Zhen(Thunder), West=Dui(Lake), SE=Xun(Wind), NW=Qian(Heaven), NE=Gen(Mountain), SW=Kun(Earth)

Classical Roots

The Meihua Yishu confirms directional casting:

From Meihua Yishu
「方位亦可起卦,八方配八卦。」
Plain translation
"Directions can also be used to cast hexagrams; the eight directions correspond to the eight trigrams."

The Shuo Gua (Discussion of Trigrams) establishes the directional associations:

From Yijing · Shuo Gua
「帝出乎震,齐乎巽,相见乎离,致役乎坤,说言乎兑,战乎乾,劳乎坎,成言乎艮。」
Plain translation
"The sovereign emerges from Zhen (East), aligns in Xun (Southeast), becomes visible in Li (South)..." This passage maps trigrams to directions.

How Direction Casting Works

Direction casting methods:

  • Single direction: A person/event comes from direction X → that direction's trigram
  • Two directions: Combine starting and ending directions for upper and lower trigrams
  • With time: Direction provides one trigram; time provides another; combined for hexagram
  • Moving line: Often calculated from time or total direction values

Example: A visitor arrives from the East (Zhen trigram) asking about a matter in the South (Li trigram). Upper trigram = Li, Lower trigram = Zhen → Hexagram 21 "Biting Through."

How to Read It

Interpreting direction-cast hexagrams:

  1. Identify the relevant direction(s) in the situation
  2. Convert direction(s) to trigram(s) using Bagua correspondence
  3. Combine trigrams to form the hexagram
  4. Calculate moving line (often from time or combined values)
  5. Read and interpret as with any hexagram
Interpretation enhancement
The directional symbolism can enrich interpretation. East/Zhen relates to beginnings and initiative; South/Li to clarity and visibility; etc.

How It Shows Up in FateFolio

In FateFolio's I Ching tool:

  • Directional input option may be available
  • Automatic conversion from direction to trigram
  • Combined with other inputs for complete hexagram
  • Full interpretation provided

Common Misconceptions

Common misunderstandings about direction casting:

  • Confusing Earlier Heaven and Later Heaven direction mappings
  • Using arbitrary directions without connection to the question
  • Forgetting to calculate a moving line
  • Ignoring the symbolic meaning of the directions themselves

Sources and Quotes

The Shuo Gua and Meihua Yishu document the directional-trigram correspondences.

Quoted excerpts

「方位亦可起卦,八方配八卦。」
Source 《梅花易数》· 八个方位与八卦对应,方位也可以作为起卦依据。
「帝出乎震,齐乎巽,相见乎离,致役乎坤,说言乎兑,战乎乾,劳乎坎,成言乎艮。」
Source 《周易》原文· 《说卦传》描述八卦与方位的对应关系。

References

  1. 《周易》原文 · Chinese Text Project
  2. 《梅花易数》

FAQ

Which Bagua arrangement should I use for directions?

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For divination and practical applications, use the Later Heaven (King Wen) arrangement. This is the standard for direction-trigram correspondence in most I Ching and Feng Shui applications. Earlier Heaven (Fuxi) arrangement is used for certain metaphysical contemplations but not typically for directional casting.

What if the direction is not exactly one of the eight?

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Use the closest of the eight directions, or consider it as between two trigrams. Some practitioners use the direction the question "faces" rather than exact compass bearings. The method is flexible—the key is finding a meaningful directional association with your question.