Sunan Ibn Majah
Sunan Ibn Majah 1723
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا أَبُو مُعَاوِيَةَ، وَحَفْصُ بْنُ غِيَاثٍ، عَنِ الأَعْمَشِ، عَنْ أَبِي صَالِحٍ، عَنْ أَبِي هُرَيْرَةَ، قَالَ: نَهَى رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ عَنْ صَوْمِ يَوْمِ الْجُمُعَةِ إِلاَّ بِيَوْمٍ قَبْلَهُ، أَوْ يَوْمٍ بَعْدَهُ .
Unreviewed translation. All hadiths in this collection are available in five languages. Titles and introductions may remain in Arabic.
Abu Bakr ibn Abi Shaybah narrated to us; Abu Muawiyah and Hafs ibn Ghiyath narrated to us, from al-A‘mash, from Abu Salih, from Abu Hurayrah, who said: The Messenger of Allah (peace and blessings be upon him) forbade fasting on Friday unless it is accompanied by a day before it or a day after it.
Notes and open questions — unreviewed
The alternative—fasting a day before Friday or a day after it—is retained as stated.