If January felt endless, February may be refreshing since it's only 28 days long. Thank the Romans for that oddity. Before the Gregorian calendar used today, Roman King Numa Pompilius (715-673 BC) set ...

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“We know a calendar year as having 365 days; however, in reality the Earth rotates around the sun in roughly 365.24 days,” Khan said. “That .24 is essentially just shy of a fourth of a day; but as ...