Origin & historical context
The twelve-sign zodiac was standardized in antiquity. Ptolemy’s Tetrabiblos shaped later theory; medieval and Renaissance practitioners worked where astronomy, medicine, calendars, and astrology overlapped.
GLOBAL CULTURE ATLAS / CULTURE ENTRY
西洋占星Western Astrology
Astronomy & calendars
Western astrology developed from Mesopotamian celestial omens, Greek mathematical astronomy, and Hellenistic horoscopy. It later moved through Arabic and Latin scholarly worlds.
A medieval manuscript diagram organizing the zodiac and planets.
National Library of Wales / Wikimedia Commons · CC0DOCUMENTED CULTURAL HISTORY
A sourced introduction.
Historical context, living practice, collection imagery, and further reading are presented together. Every image links to its source and license record.
Core symbols & methods
A horoscope maps planets, zodiac signs, houses, and angular relationships for a selected time and place. Interpretive rules vary across traditional, modern, and popular schools.
Geography & cultural setting
Mediterranean, Europe, and global circulation
Western astrology developed from Mesopotamian celestial omens, Greek mathematical astronomy, and Hellenistic horoscopy. It later moved through Arabic and Latin scholarly worlds.
Modern practice & interpretation
Astronomy and astrology separated institutionally during the early modern period. Astrology remains culturally influential, but is not accepted as a scientifically validated predictive method.
Sources & further reading
Cultural sensitivity notes
Historical overlap with astronomy does not establish modern scientific validity.
CONTEXT, NOT INSTRUCTIONRESPONSIBLE CONTEXT
This page is intended for cultural and historical learning. It will not present the tradition as scientifically proven or make medical, financial, or supernatural guarantees.