Learn the I Ching
An interactive library of the Book of Changes — every hexagram, palace, and trigram, with the scholarship to make sense of them.
Free, multilingual, and built for both first-time readers and longtime students. Browse the 64 hexagrams, follow the eight palaces of Jing Fang, study the Wu Xing correspondences, or work through a structured course on Wen Wang Gua divination.
Hundreds of articles
From first principles to advanced divination — pick a starting point that matches where you are.
Foundations
Origins, philosophy, and the structures that hold the text together.
Application & Growth
Reading the I Ching as a mirror for decisions, relationships, and inner work.
Using the Oracle
Preparation, casting methods, recording, and the art of interpretation.
Advanced Studies
Deeper analysis — including the Wen Wang Gua course and the Eight Palaces system.
Entities and correspondences
Every hexagram, trigram, palace, element, stem, branch, and zodiac animal — cross-linked into a single graph you can browse from any angle.
Wen Wang Gua
The classical divination method, taught in ten acts.
A complete course on Wen Wang Gua — hexagram skeleton, calendar timing, target line, judgment, ethics. The flagship of the advanced-studies collection.
Begin the course →About UAYA Foundation
The UAYA Foundation is dedicated to preserving and sharing the ancient wisdom of the I Ching. Our mission is to make this profound system of knowledge accessible to everyone, in every language, from first-time readers to longtime students of the text.
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