The Calendar: The 5000-Year Struggle to Align the Clock and the Heavens – and What Happened to the Missing Ten Days – David Ewing Duncan – 2008
This book details the 5000-year history of calendars and timekeeping, exploring the cultural, religious, and scientific factors that shaped our modern calendar. It examines the origins of time measurement and the corrections, like the removal of ten days, that have been made over time.
