Winter Solstice

One calendar cycle comes to an end today as another begins. This magical moment is the December solstice, when the Sun stands farthest south in the sky for the entire year. It marks the end of autumn and beginning of winter in the northern hemisphere.

You probably know that another calendar cycle is coming to an end today as well — the Maya cycle known as 13 baktun. According to some mystics and authors, Mayan prophecy said the end of that cycle would also mark the end of the world. And over the last couple of decades, an industry has sprung up to support that idea, offering theories about hidden planets and other disasters.

None of it, of course, is supported by the facts. There was no Mayan prophecy of doom. Instead, the end of a baktun was seen as something like the end of a millennium in the modern calendar — a time when the calendar simply resets with a lot of extra zeroes in it.

The Maya were good observational astronomers. They followed the motions of the Moon and the planet