Well their calendar was based of astronomy and was linear to it, it's not just a random day and the actual date has nothing to do with what is being proposed, because after all it's just a number placed to an event or happening.

polytrip you would exist in every parallel universe you would just not be aware of it. Well...look up the quantum suicide expirement, you will get an idea of it.

In regards to this thread it has a lot in common with a book by Daniel Pinchbeck called 2012 The Return of Quatzalcoatl it has very interesting and mind opening ideas, thoughts, and insights. I just read the first few chapters but am very interested in what is has to offer, I highly recommend it.