Ruling on participating with Christians in their non-religious celebrations
Is it permissible for a Muslim to participate with Christians in their non-religious celebrations and share in their sorrows, such as birthday celebrations or sending condolences to the bereaved in or outside the cemetery?
Sharing non-religious celebrations and sorrows with the Christians is not permissible.
May Allah grant us success. May peace and blessings be upon our Prophet, his family and Companions