The only people in the Bible who celebrated their own birthdays were Pharoah (Gen. 40.20-22) and Herod (Matt. 14.6-10). Not even Jesus' birthday, therefore, should be celebrated let alone on December 25th.

http://www.letgodbetrue.com/bible/ho...s-adultery.php
http://www.rapidnet.com/~jbeard/bdm/...xmas/celeb.htm
http://www.letgodbetrue.com/bible/ho.../christmas.php