The seven-day week is so deeply baked into modern life that it feels almost inevitable. Workdays, weekends, school schedules, streaming release dates — nearly everything runs on the same seven-day rhythm. But there’s nothing especially natural about a week. Unlike a year, a month, or a day, it doesn’t neatly correspond to a major astronomical event.  While a year is tied to Earth’s orbit around the sun, a month is roughly one full cycle of moon phases, and a day is one rotation of Earth on its axis, the length of a week isn’t cut and dry. So why is it seven days instead of, say, five, eight, or 12? How the Ancients Shaped the Week The seven-day week has endured for thousands of years, surviving empires, revolutions, religious shifts, and even a few determined attempts to replace it. Its origins lie in …Read More