The key to when Jesus was born is understanding when Herod died: Herod + Alive = Jesus Birth 1+1=2. I encourage you to read Birth Basics / When Jesus was born by Thomas W. Guthrie. It is available at Lulu.com.
Thank you for you wonderfully patronizing response. According to one of the foremost scholars on the subject, Herods death occured in the year 1, following an Eclipse.