'When Ramadan begins, the gates of Paradise are opened, the gates of Hell are closed, and the devils are fettered." (Using translation from Nasāʾī 2098)
قَالَ رَسُولُ اللهِ ﷺ إِذَا اسْتَهَلَّ رَمَضَانُ غُلِّقَتْ أَبْوَابُ النَّارِ وَفُتِّحَتْ أَبْوَابُ الْجَنَّةِ وَصُفِّدَتِ الشَّيَاطِينُ