So... the other day I was telling my older brother about what I was learning in my super-nerdy and super-fun class: Greek and Roman Public and Private Life. We were learning about their calendar, which was a "lunisolar calendar," ie one that was based on both the sun and the moon (fyi - we have a solar calendar, based on the Roman's version, while the Hebrews had a lunar calendar). I explained that it was a somewhat faulty calendar, so they had to add a month to the calendar every couple of years. (This is called "intercalating," and it became my new word for the day :)
His response was, that does sound like a looney solar calendar. HAHAHAHAHA! He makes me laugh so hard at my nerdiness! :)