December 21 , 2012 was simply the day that the calendar went to the next b'ak'tun , at Long Count 13.0. 0.0. 0 .
Misinterpretation of the Mesoamerican Long Count calendar was the basis for a popular belief that a cataclysm would take place on December 21 , 2012 .
December 21 , 2012 was simply the day that the calendar went to the next b'ak'tun , at Mesoamerican Long Count   13.0. 0.0. 0 .
Misinterpretation of the Mesoamerican Long Count calendar was the basis for a popular belief that a cataclysm would take place on December 21 , 2012 .