Narrated Ibn `Abbas: The Prophet was asked about the slaughtering, shaving (of the head), and the doing of Rami before or after the due times. He said, "There is no harm in that."
Hadith ReferenceSahih Bukhari / The Book of Hajj / Hadith: 1734
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة