Thank you for your additional comments, Tyrebitre. I realize many denominations and "independents" have predicted when Christ will return, and they were all wrong. I may be wrong; in fact, I'm not sure of June 21, 2009 as the date of the Rapture. I'm just saying that with many diverse prophets, teachers, astrologers and seers having all picked December 21, 2012 as a date that, to exaggerate, could be a day like no other this world has ever seen or the Day of Destruction, etc. I'm merely pointing out that too many people from extreme parts of the world and eras of time have given the exact same date as a time when there will be some sort of cataclismic "happening."
There is nothing "supposed" about the Mayan calendar, and neither that nor the Revelations of St. John are "rantings." If you really believe this to be true, then I pray for you, because, even though June 21, 09 or Dec. 21, 12 may not turn out to be the dates referenced in these contexts, these dates will be accomplished at some future time. Therefore, watch and be ready, take notice of God's signs, and believe the Truth before it's too late.