The Coligny Calendar

The Coligny Calendar is an ancient Celtic calendar discovered in Coligny, France, dating back to around 200 AD. It reflects the intricate ways the Celts organized time, divided into months and interconnected with lunar cycles. The calendar shows 12 months, each with 29 or 30 days, suggesting the Celts used a lunisolar system, aligning both lunar months and the solar year. It includes notable festivals, indicating important cultural and agricultural events. This artifact provides valuable insight into the social, religious, and agricultural practices of the ancient Celts and their understanding of time.