According to this Wikipedia listing on 2012, some Mayan researchers believe the beginning of the Maya Long Count calendar is December 23, 2012, not December 21, 2012.
The winter solstice will occur on December 21 of that year.
http://en.wikipedia.org/wiki/2012
CarolChapman is an author and inspirational speaker. She speaks at weekend retreats,day-long events, and half-day programs. Her seminars are not onlyinformative and transformational but also fun and entertaining. They ofteninclude participatory workshops and visual aids, such as videos andphotographs. She specializes in dream interpretation, reincarnation, andAtlantis, and is the author of When WeWere Gods, Arrival of the Gods in Egypt, and Have Your Heart’s Desire.