Sahih Bukhari
Afflictions and the End of the World
Volume: 009 / Book Number: 088 / Hadith Number: 212
Narrated Salim's father:
The Prophet stood up beside the pulpit (and pointed with his finger towards the East) and said, "Afflictions are there! Afflictions are there, from where the side of the head of Satan comes out," or said, "..the side of the sun.."