Narrated Anas bin Malik: The Prophet offered four rak`at in Medina and then two rak`at at Dhul Hulaifa and then passed the night at Dhul-Hulaifa till it was morning and when he mounted his Mount and it stood up, he started to recite Talbiya.
Hadith ReferenceSahih Bukhari / The Book of Hajj / Hadith: 1546
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة