Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
nasai-kubra:2770Muḥammad b. al-Muthanná > Muḥammad b. Jaʿfar > Shuʿbah > Manṣūr > Mujāhid > Abū Hurayrah > Lā Yaṣum Aḥadukum Yawm al-Jumuʿah Illā

[Machine] "To fast before or after it."  

الكبرى للنسائي:٢٧٧٠أَخْبَرَنَا مُحَمَّدُ بْنُ الْمُثَنَّى قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ جَعْفَرٍ قَالَ حَدَّثَنَا شُعْبَةُ عَنْ مَنْصُورٍ عَنْ مُجَاهِدٍ عَنْ أَبِي هُرَيْرَةَ أَنَّهُ قَالَ «§لَا يَصُمْ أَحَدُكُمْ يَوْمَ الْجُمُعَةِ إِلَّا

أَنْ يَصُومَ قَبْلَهُ أَوْ بَعْدَهُ»