Ancient Year Length
How Long Was a Year in Ancient Times? Exploring Early Calendar Systems

Discover how ancient civilizations like Egyptians, Mayans, and Romans measured a year and the origins of early calendar systems.

Seven-Day Week Origins
The Origins of the Seven-Day Week: Who Named Monday to Sunday?

Discover the fascinating history of the seven-day week and the naming of days from Monday to Sunday, rooted in ancient Mesopotamia.