Listen Christmas is a holiday based on
PAGAN beliefs. After Prophet Jesus (as) escaped from the romans, Allah made a copy of him and the people thought he was resurrected. Thus the first branch of Christianity was made (they believed in the sayings of Jesus but worshipped him instead of Allah). The second branch was made by a man called Paul , who claimed that he had a dream with Jesus telling him that he needed to spread the religion further and that if you believed in him you will go to Heaven and that you don't need to worship . Finally the last branch when Christianity spread across the Old World and it got to Rome. The emperor Constantine ,who heard of the religion made his own branch what we all know today. It is a mix of Pagan and some reminiscence of Christianity here is the Similarity
Sun=God
Moon=Mary
Reborn Sun=Jesus
Here is advice if you haven't heard this in your local masjid saying 'Merry Christmas' is saying have a happy holiday and have a merry day worshipping the day of Jesus' birthday.
The pope said it's Jesus' birthday to hide the rest of pagan beliefs as it was a festive holiday of people who worshipped the Sun called the Winter Solstice (the shortest day of the year). So don't partake in these rituals. It is
IMPERMISSABLE