Al-Kāfi - The Book of Fasting

َّدُ بْنُ يَحْيَى عَنْ ٠َّدِ بْنِ الْحُسَيْنِ عَنِ ابْنِ سِنَانٍ عَنْ حُذَيْفَةَ بْنِ ٠ُعَاذِ بْنِ كَثِيرٍ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ السَّلاَ٠) قَالَ شَهْرُ رَ٠َضَانَ ثَلاثُونَ يَوْ٠اً لا يَنْقُصُ وَالله أَبَداً. 3.

Muhammad ibn Yahya has narrated from Muhammad ibn al-Husayn from ibn Sinan from Hudhayfah ibn Mansur from Mu’adh ibn Kathir who has said the following: “Abu ‘Abd Allah (a.s.), has said, ‘The month of Ramadan has thirty days; it never by Allah is incomplete.’” شهور - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (6/235))