When you understand symbolic language, you add depth and meaning to events in your life. It's time to open the door to your Imagination and let meaning in.
We are at the end of a decade (see NYTimes) as well as a year, and it seems significant that 2009 ends with a lunar eclipse. (While modern usage of the term "Blue Moon" is being applied to this 2nd full Moon in a calendar month, there's really nothing special about it. It is significant when there is a 2nd full Moon in an astrological sign, which happens about every 2 years. The last one occurred in May 2008.)
During a lunar eclipse, the Earth, Sun and Moon are in alignment and the Earth slips between the Sun and Moon, creating the shadow of the eclipse. The energetic light stream from the Sun cannot be reflected back to us by the Moon there is an eclipse (eclipse means a failure or to leave out) and something goes missing.
So maybe for a moment during this eclipse (December 31, 2009 at 2:13pm EST/11:13 PST), you might lose yourself or at least your conscious image of yourself. You might find that your Shadow is showing!