Sunan an-Nasa'i 2098
سنن النسائي#2098SahihIt Was narrated from Abu Hurairah that the Messenger of Allah said:'When Ramadan begins, the gates of Paradise are opened, the gates of Hell are closed, and the devils are fettered
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 22:9