Paper presented at the Association for East Asian Ancient Studies · Daejin University

The East Asian Astronomical Significance of the 663 Battle of Baekchon River

— The Astronomical Meaning of 663 Seen Through the Trifunctional System

Choe Won-hyeok

Each card links to a YouTube video, a slide-section PDF, and the on-site reader. Every section maps one-to-one to a video.

East Asian Astronomy as a Trifunctional System

p. 1–6

The Transformation of the East Asian Trifunctional System

p. 7–14

The Meaning of the Year 663 in East Asian Astronomy

p. 15–17

The Significance of the 663 Battle of Baekchon River as a Trifunctional System

p. 18–23