Sahih Muslim
The Book Pertaining to the Turmoil and Portents of the Last Hour (Kitab Al-Fitan wa Ashrat As-Saah)
Book Number: 041 / Hadith Number: 6955
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: The day and the night would not come to an end before a man called al-Jahjah would occupy the throne.