Most denominations of Islam approve of the commemoration of Muhammad's birthday; however, some denominations including Wahhabism/Salafism, Deobandism and the Ahmadiyya disapprove its commemoration, considering it an unnecessary religious innovation (bid'ah or bidat).
Most denominations of Islam approve of the commemoration of Muhammad's birthday; Schussman, Aviva. Islamic Law and Society 5/2 (1998): 214-234 however, some denominations including Wahhabism/Salafism, Deobandism and the Ahmadiyya disapprove its commemoration, considering it an unnecessary religious innovation (bid'ah or bidat).