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bukhari:543 – Abū al-Nuʿmān > Ḥammād > Ibn Zayd > ʿAmr b. Dīnār > Jābir b. Zayd > Ibn ʿAbbās

"The Prophet ﷺ prayed eight rakʿat for the Zuhr and ʿAsr, and seven for the Maghrib and ʿIsha prayers in Medina." Aiyub said, "Perhaps those were rainy nights." Anas said, "May be."  

البخاري:٥٤٣ – حَدَّثَنَا أَبُو النُّعْمَانِ قَالَ حَدَّثَنَا حَمَّادٌ هُوَ ابْنُ زَيْدٍ عَنْ عَمْرِو بْنِ دِينَارٍ عَنْ جَابِرِ بْنِ زَيْدٍ عَنِ ابْنِ عَبَّاسٍ

أَنَّ النَّبِيَّ ﷺ صَلَّى بِالْمَدِينَةِ سَبْعًا وَثَمَانِيًا الظُّهْرَ وَالْعَصْرَ وَالْمَغْرِبَ وَالْعِشَاءَ فَقَالَ أَيُّوبُ لَعَلَّهُ فِي لَيْلَةٍ مَطِيرَةٍ قَالَ عَسَى  

See similar narrations below:

Collected by Muslim, Ibn Ḥibbān, Ṭabarānī, Nasāʾī's Kubrá
muslim:705f – Abū al-Rabīʿ al-Zahrānī > Ḥammād b. Zayd > ʿAmr b. Dīnār > Jābir b. Zayd > Ibn ʿAbbās

Ibn 'Abbas reported that the Messenger of Allah ﷺ observed in Medina seven (rak'ahs) and eight (rak'ahs), i. e. (be combined) the noon and afternoon prayers (eight rak'ahs) and the sunset and 'Isha' prayers (seven rak'ahs).  

مسلم:٧٠٥f – وَحَدَّثَنَا أَبُو الرَّبِيعِ الزَّهْرَانِيُّ حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ عَنْ عَمْرِو بْنِ دِينَارٍ عَنْ جَابِرِ بْنِ زَيْدٍ عَنِ ابْنِ عَبَّاسٍ

أَنَّ رَسُولَ اللَّهِ ﷺ صَلَّى بِالْمَدِينَةِ سَبْعًا وَثَمَانِيًا الظُّهْرَ وَالْعَصْرَ وَالْمَغْرِبَ وَالْعِشَاءَ  

ذِكْرُ الْمَوْضِعِ الَّذِي فَعَلَ فِيهِ رَسُولُ اللَّهِ ﷺ مَا وَصَفْنَا

ibnhibban:1597 – al-Ḥasan b. Sufyān > Muḥammad b. ʿUbayd b. Ḥisāb > Ḥammād b. Zayd > ʿAmr b. Dīnār > Jābir b. Zayd > Ibn ʿAbbās

Ibn 'Abbas reported that the Messenger of Allah ﷺ observed in Medina seven (rak'ahs) and eight (rak'ahs), i. e. (be combined) the noon and afternoon prayers (eight rak'ahs) and the sunset and 'Isha' prayers (seven rak'ahs). (Using translation from Muslim 705f)  

ابن حبّان:١٥٩٧ – أَخْبَرَنَا الْحَسَنُ بْنُ سُفْيَانَ قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ عُبَيْدِ بْنِ حِسَابٍ قَالَ حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ عَنْ عَمْرِو بْنِ دِينَارٍ عَنْ جَابِرِ بْنِ زَيْدٍ عَنِ ابْنِ عَبَّاسٍ

«أَنَّ رَسُولَ اللَّهِ ﷺ صَلَّى بِالْمَدِينَةِ سَبْعًا وَثَمَانِيًا الظُّهْرَ وَالْعَصْرَ وَالْمَغْرِبَ وَالْعِشَاءَ»  

tabarani:12808 – ʿAlī b. ʿAbd al-ʿAzīz > ʿĀrim Abū al-Nuʿmān > Ḥammād b. Zayd > ʿAmr b. Dīnār > Jābir b. Zayd > Ibn ʿAbbās

Ibn 'Abbas reported that the Messenger of Allah ﷺ observed in Medina seven (rak'ahs) and eight (rak'ahs), i. e. (be combined) the noon and afternoon prayers (eight rak'ahs) and the sunset and 'Isha' prayers (seven rak'ahs). (Using translation from Muslim 705f)  

الطبراني:١٢٨٠٨ – حَدَّثَنَا عَلِيُّ بْنُ عَبْدِ الْعَزِيزِ ثنا عَارِمٌ أَبُو النُّعْمَانِ ثنا حَمَّادُ بْنُ زَيْدٍ عَنْ عَمْرِو بْنِ دِينَارٍ عَنْ جَابِرِ بْنِ زَيْدٍ عَنِ ابْنِ عَبَّاسٍ

أَنَّ رَسُولَ اللهِ ﷺ «صَلَّى بِالْمَدِينَةِ سَبْعًا وَثَمَانِيًا الظُّهْرَ وَالْعَصْرَ وَالْمَغْرِبَ وَالْعِشَاءَ»  

nasai-kubra:381 – Qutaybah b. Saʿīd > Ḥammād > ʿAmr > Jābir b. Zayd > Ibn ʿAbbās

Ibn 'Abbas reported that the Messenger of Allah ﷺ observed in Medina seven (rak'ahs) and eight (rak'ahs), i. e. (be combined) the noon and afternoon prayers (eight rak'ahs) and the sunset and 'Isha' prayers (seven rak'ahs). (Using translation from Muslim 705f)   

الكبرى للنسائي:٣٨١ – أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ قَالَ حَدَّثَنَا حَمَّادٌ عَنْ عَمْرٍو عَنْ جَابِرِ بْنِ زَيْدٍ عَنِ ابْنِ عَبَّاسٍ

أَنَّ النَّبِيَّ ﷺ صَلَّى بِالْمَدِينَةِ سَبْعًا وَثَمَانِيًا الظُّهْرَ وَالْعَصْرَ وَالْمَغْرِبَ وَالْعِشَاءَ يَجْمَعُ بَيْنَ الصَّلَاتَيْنِ