and February together totaled an uneven number, so it remained. Then came Julius Ceasar. Caesar adds 10 days to the calendar because the seasons no longer matched During Julius Caesar's rule ...

a 10-month calendar that kicked the year off in March (with the spring equinox) and ended in December. January and February didn’t even exist: Tally up those numbers, and you’ll see a problem ...

and February together totaled an uneven number, so it remained. Eventually, during Julius Caesar's rule, the calendar no longer matched the actual seasons so the emperor adopted a 365-day calendar ...