In 2007, daylight savings time begins on March 11 and ends on November
4. [New law goes into effect.]
The sun sets at 7:10pm the following Wednesday giving you until about
7:20pm before it is dark. Just enough time for a quickie Fast 50.
http://webexhibits.org/daylightsaving/b.html
http://aa.usno.navy.mil/faq/docs/daylight_time.html
In 2008, daylight time begins on March 9 and ends on November 2.