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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
nasai:476 – Sūwayd b. Naṣr > ʿAbdullāh b. al-Mubārak > Abū ʿAwānah > Manṣūr b. Zādhān > al-Walīd Abū Bishr > Abū al-Mutawakkil > Abū Saʿīd al-Khudrī

"The Messenger of Allah ﷺ used to stand in Zuhr and recite the equivalent of thirty verses in each Rak'ah, then in the first two Rak'ahs of 'Asr he would stand for the equivalent of fifteen verses."  

النسائي:٤٧٦ – أَخْبَرَنَا سُوَيْدُ بْنُ نَصْرٍ قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ بْنُ الْمُبَارَكِ عَنْ أَبِي عَوَانَةَ عَنْ مَنْصُورِ بْنِ زَاذَانَ عَنِ الْوَلِيدِ أَبِي بِشْرٍ عَنْ أَبِي الْمُتَوَكِّلِ عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ قَالَ

كَانَ رَسُولُ اللَّهِ ﷺ يَقُومُ فِي الظُّهْرِ فَيَقْرَأُ قَدْرَ ثَلاَثِينَ آيَةً فِي كُلِّ رَكْعَةٍ ثُمَّ يَقُومُ فِي الْعَصْرِ فِي الرَّكْعَتَيْنِ الأُولَيَيْنِ قَدْرَ خَمْسَ عَشْرَةَ آيَةً  

See similar narrations below:

Collected by Nasāʾī's Kubrá
nasai-kubra:350 – Sūwayd b. Naṣr b. Sūwayd > ʿAbdullāh > Abū ʿAwānah > Manṣūr b. Zādhān > al-Walīd Abū Bishr > Abū al-Mutawakkil > Abū Saʿīd al-Khudrī

"The Messenger of Allah ﷺ used to stand in Zuhr and recite the equivalent of thirty verses in each Rak'ah, then in the first two Rak'ahs of 'Asr he would stand for the equivalent of fifteen verses." (Using translation from Nasāʾī 476)  

الكبرى للنسائي:٣٥٠ – أَخْبَرَنَا سُوَيْدُ بْنُ نَصْرِ بْنِ سُوَيْدٍ قَالَ حَدَّثَنَا عَبْدُ اللهِ عَنْ أَبِي عَوَانَةَ عَنْ مَنْصُورِ بْنِ زَاذَانَ عَنِ الْوَلِيدِ أَبِي بِشْرٍ عَنْ أَبِي الْمُتَوَكِّلِ عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ قَالَ

كَانَ رَسُولُ اللهِ ﷺ يَقُومُ فِي الظُّهْرِ «فَيَقْرَأُ بِقَدْرِ ثَلَاثِينَ آيَةً فِي كُلِّ رَكْعَةٍ وَيَقُومُ فِي الْعَصْرِ فِي الرَّكْعَتَيْنِ الْأُولَيَيْنِ بِقَدْرِ خَمْسَ عَشْرَةَ آيَةً»