On Friday, July 10, 2015 at 6:25:19 AM UTC-7, wrote:
I suppose 24 developed out of need for dividing the day
evenly. Of course, that doesn't explain the 7-day week. LOL
The French Revolution also metricated the clock (10 hours in a day, 100 minutes in an hour, 100 seconds in a minture) and the calendar (3 decades in a month, 10 days in a decade, plus complementary days. This appears to be one part of the metric system that was not widely adopted.