(24) باب كَرَاهِيَةِ صِيَامِ يَوْمِ الْجُمُعَةِ مُنْفَرِدًا
Abu Huraira (Allah be pleased with him) reported the Messenger of Allah (ﷺ) as saying:
None among you should observe fast on Friday, but only that he observes fast before it and after it. (ID)
Reference (ID): Sahih Muslim 1144 a (ID)
In-book reference (ID): Book 13, Hadith 189 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Book 6, Hadith 2545 (ID)