User blog comment:Adventuretimegurl123/OH MY!! HUGE ADVENTURE TIME NEWS!! :D/@comment-5109358-20120817000117/@comment-5242921-20120817010317

But the point is it's, what, 500+ extra days, not 1, and also we follow by OUR calender not the MAYAN calender so it would not be 21st december on OUR calender.