Calendar

The date (in the northern hemisphere) when night and day are nearly of the same length and Sun crosses the celestial equator (i.e., declination 0) moving southward (in the northern hemisphere).

http://scienceworld.wolfram.com/astronomy/AutumnalEquinox.html

Visible from all of Asia and Australia, seen as rising over eastern Europe, and setting over northwest North America.

December 6th through the 19th marks the best annual meteor shower, peaking with up to 120 many-colored meteors per hour around December 13th or 14th. Lie on your back and look to the east during the darkest moment of the night for the best view.

In 2011 the moon will be pretty bright during the peak of the meteor shower, so you might also try going out in the early evening (just after dark) on or around the 17th before the moon rises.