Narrated Abu Huraira: Allah's Apostle said, "When the month of Ramadan starts, the gates of the heaven are opened and the gates of Hell are closed and the devils are chained."
Hadith ReferenceSahih Bukhari / The Book of As-Saum (The Fasting). / Hadith: 1899
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة