Riyad as-Saliheen 1761
Abu Hurairah (May Allah be pleased with him) said:
I heard the Messenger of Allah ﷺ as saying: "None of you should observe fast on Friday except that he should observe fast either one day before it or one day after it."
[Al-Bukhari and Muslim].
وعنه قال: سمعت رسول الله ﷺ يقول:
"لا يصومن أحدكم يوم الجمعة إلا يومًا قبله أو بعده" ((متفق عليه)).
Classification
Sahih (Authentic)
References
Riyad as-Saliheen 1761
Riyad as-Saliheen Book of Prohibited actions, Hadith 251