16
21 – With the same chain: the Messenger of Allah forbade fasting on the day about which there is doubt as to whether it falls within Ramadan.
٢١ - وَبِهِ: «أَنَّ رَسُولَ اللَّهِ ﷺ نَهَى عَنْ صِيَامِ الْيَوْمِ الَّذِي يُشَكُّ فِيهِ أَنَّهُ مِنْ رَمَضَانَ»