Calendrical Calculations (book)

"Calendrical Calculations" is a comprehensive book that explores the various systems and algorithms used to measure and organize time across different cultures and civilizations. It explains how calendars are created, maintained, and synchronized, covering topics like lunar, solar, and lunisolar calendars, as well as religious and astronomical considerations. The book combines historical context with mathematical methods, allowing readers to understand how dates are calculated and predicted. It’s valuable for anyone interested in the science behind calendar design and the complexities involved in tracking time over human history.