It is not permissible for the Muslim to join the kuffaar in their festivals and to express joy and happiness on these occasions, or to take the day off work, whether the occasion is religious or secular, because this is a kind of imitating the enemies of Allaah, which is forbidden, and a kind of co-operating with them in falsehood. It was proven that the Messenger of Allaah (peace and blessings of Allaah be upon him) said: