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:361Muḥammad b. Rāfiʿ > Abū al-Naḍr > Shuʿbah > Qatādah > Saʿīd b. al-Musayyib > Ibn ʿUmar > Zayd b. Thābit

[Machine] "The middle prayer is the afternoon prayer."  

الكبرى للنسائي:٣٦١أَخْبَرَنَا مُحَمَّدُ بْنُ رَافِعٍ قَالَ حَدَّثَنَا أَبُو النَّضْرِ قَالَ حَدَّثَنَا شُعْبَةُ عَنْ قَتَادَةَ عَنْ سَعِيدِ بْنِ الْمُسَيِّبِ عَنِ ابْنِ عُمَرَ عَنْ زَيْدِ بْنِ ثَابِتٍ قَالَ

«صَلَاةُ الْوُسْطَى هِيَ الظُّهْرُ»