The modern calendar has Roman Catholic roots. As the sun does not adhere exactly to the earthly calendar, leap days are ...
The Romans added January and February to the calendar but ran into a problem — math and superstition. Here's why February ...
It's why Pompilius wanted the months to all have an auspicious 29 or 31 days. You can't do that, however, with a 12-month calendar and get an odd number of days in the year because of a simple ...