ثَابِتُ بْنُ ثَوْبَانَ، عَنِ الْقَاسِمِ
[Machine] The Messenger of Allah ﷺ said: "There is no seclusion, no mischief, no contagion, and the two months of Shawwal and Dhu al-Qa'dah are not complete unless they are thirty days."
قَالَ رَسُولُ اللهِ ﷺ «لَا هَامَ وَلَا صَفَرَ وَلَا عَدْوَى وَلَا يَتِمُّ شَهْرَانِ ثَلَاثُونَ يَوْمًا»