Why do we measure time in the way that we do? Why is a week seven days long? At what point did minutes and seconds come into being? Why are some calendars lunar and some solar? The organization of time into hours, days, months, and years seems immutable and universal, but is actually far more artificial than most people realize. Those interested in time, history, and the development of the calendar will enjoy this absorbing exploration of an aspect of our lives that we all take for granted.
"Spotty naration but densely fact-packed"