What a great idea! With all the talk about Black Friday for shopping, John Jantsch suggests Rosy Monday for planning:

For years I’ve marked the weekend following Thanksgiving with my own holiday I call Rosy Monday. Rosy Monday is the day that I typically take a good long look at what I’ve accomplished during the year, relative to my goals, and make a first pass at my vision for the next three to five years. It’s my forecasting day.

Well said. I recommend you read the whole post at its source:

Rosy Monday is Strategic Planning Day | Duct Tape Marketing Blog