In the beginning was the Word, and the Word was with God, and the Word was God. John 1,Matthew 1
This means two can not be the God as part of the above equation.
What is Christmas in Islam
Christmas tree as a pagan ritual was put indoors to attract the wood spirits (jinns). They would hang food on the tree and little bells, and when they rang then they believed a wood spirit had come to eat. So setting up trees was basically attracting spirits into your home. As Muslims, we can’t celebrate Christmas because we believe that Allah is one absolutely eternal having no son. It is written in the Holy Quran:
وَالسَّلَامُ عَلَيَّ يَوْمَ وُلِدتُّ وَيَوْمَ أَمُوتُ وَيَوْمَ أُبْعَثُ حَيًّا Surah Maryam Ayat 33
And peace be upon me on the day I was born, and on the day I die, and on the Day I am raised up to life alive.
Meanwhile, Islam does teach us to not harm any other religion on the basis of having dissimilarities of beliefs by hand or by the tongue, or by any other means. Muslims can keep sympathy despite that Christmas in Islam haram and love them on a humanitarian basis but cannot participate in the religious activities and agree with their beliefs brother. It’s sunnah to dine with Christians or help them. In England, Muslims celebrate it as a long off day from work and a busy routine.