“Seven days,” wrote Witold Rybczynski in the August 1991 issue of The Atlantic, “is not natural because no natural phenomenon occurs every seven days.” The year marks one revolution of the Earth around the sun. Months, supposedly, mark the time between full moons. The seven-day week, however, is completely man-made.
It’s a relatively new invention—is it time to shave another day off?
A four-day #weekend: for higher productivity.
By Philip Sopher.