Riyad as-Salihin
Riyad as-Salihin 1220
The Excellence of Observing Saum (Fasts) during Ramadan
Arabic hadith text
وعنه رضي الله عنه أن رسول الله صلى الله عليه وسلم قال: "إذا جاء رمضان فتحت أبواب الجنة، وغلقت أبواب النار، وصفدت الشياطين" ((متفق عليه))
Translation
Abu Hurairah (May Allah be pleased with him) reported
The Messenger of Allah (ﷺ) said, "When Ramadan begins, the gates of Jannah are opened, the gates of Hell are closed, and the devils are chained."[Al-Bukhari and Muslim].