Christmas is my favorite Holiday. I never joke with December 25 as the birthday of the Lord Jesus. 
Are you a christian yourself?
Of course i am. If i am not why would i be celebrating a  feast central to the Christian liturgical year
Im an Atheist as I dont believe there is enough proof out there for me to believe.
Neither was there any reasonable proof on Evolution. However Abrahamic monotheistic religion based on the life, teachings, and miracles of Jesus of Nazareth is real
I don't think you can say for certain that its all real.
Philosophy of religion
Philosophy of religion is "the philosophical examination of the central themes and concepts involved in religious traditions". Philosophical discussions on such topics date from ancient times, and appear in the earliest known texts concerning philosophy. The field is related to many other branches of philosophy, including metaphysics, epistemology, and ethics. 
The philosophy of religion differs from religious philosophy in that it seeks to discuss questions regarding the nature of religion as a whole, rather than examining the problems brought forth by a particular belief-
Do you know which is the worst animal? Man. Why? Egotistical, false, and a betrayer ... I believe in nothing: I hold nothing sacred but my wife and my stepdaughter. I am an atheist because I do not believe that there must be a God upon whom good and evil depend ... I have spent my years hoping and I will end discouraged." Among his late works are several images expressive of his profound disappointment, notably "The Dead Horse—What Now?"
He died in Florence