Sahih Muslim 2683
صحيح مسلم#2683SahihAbu 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
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 13:189