As in new calendar's June car will be the original's May car? Wouldn't it be better to cycle the original front month car to the end in the new year? At least when people talk about months the cars would still line up.
Later
"If A equals success, then the formula is: A = X + Y + Z, X is work. Y is play. Z is keep your mouth shut." - Albert Einstein
When was the last time you *really* did something with your Z to call yourself a Z enthusiast?