Did that many years ago, thanks for bringing this point up.
Jesus started his earthly flesh life nine months before his birth, which would be around Dec 25th.
Not born on Dec 25th, but conceived on or about 12-25.
This point "late summer when shepherds are watching over their flocks by night" most people miss.
Where Did Christmas Come From? Well, Not Jesus For A Start - The David Icke Videocast
No validity whatsoever...
Read the Prodigal son story like this, the older brother is Judaism the younger Christianity. The younger son must do teshuvah! Luke 15