I don't know if it is or not, but the Mayan calendar ends on 12/21/12, not sure as to why, unless they just didn't feel like making it go any farther, or from that point you're supposed to start back at the beginning of it.
No. The Mayan calendar ended December 21, 2012 because it was some amount of years away from the start of the calendar. That one calendar defined a period of creation for them. Sort of like a century for us. Don't believe in all the bull crap lies people tell you. It's how I form my opinions. I get the facts straight and make a general consensus from there.