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-kubra:1587 – Muḥammad b. ʿAbd al-ʿAzīz > al-Faḍl b. Mūsá Abū ʿAbdullāh > al-Aʿmash > Ḥabīb b. Abū Thābit > Saʿīd b. Jubayr > Ibn ʿAbbās

"Why?" He said: "So that there would not be any hardship on his Ummah." (Using translation from Nasāʾī 602)  

الكبرى للنسائي:١٥٨٧ – أَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ الْعَزِيزِ قَالَ أَخْبَرَنَا الْفَضْلُ بْنُ مُوسَى أَبُو عَبْدِ اللهِ عَنِ الْأَعْمَشِ عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ

أَنَّ النَّبِيَّ ﷺ كَانَ يُصَلِّي بِالْمَدِينَةِ يَجْمَعُ بَيْنَ الصَّلَاتَيْنِ الظُّهْرِ وَالْعَصْرِ وَالْمَغْرِبِ وَالْعِشَاءِ مِنْ غَيْرِ خَوْفٍ وَلَا مَطَرٍ قِيلَ لَهُ لِمَ؟ قَالَ «لِئَلَّا يَكُونَ عَلَى أُمَّتِهِ حَرَجٌ»  

See similar narrations below:

Collected by Nasāʾī, Abū Dāwūd, Aḥmad, Bayhaqī
nasai:602 – Muḥammad b. ʿAbd al-ʿAzīz b. Abū Rizmah Wāsmuh Ghazwān > al-Faḍl b. Mūsá > al-Aʿmash > Ḥabīb b. Abū Thābit > Saʿīd b. Jubayr > Ibn ʿAbbās

"Why?" He said: "So that there would not be any hardship on his Ummah."  

النسائي:٦٠٢ – أَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ الْعَزِيزِ بْنِ أَبِي رِزْمَةَ وَاسْمُهُ غَزْوَانُ قَالَ حَدَّثَنَا الْفَضْلُ بْنُ مُوسَى عَنِ الأَعْمَشِ عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ

أَنَّ النَّبِيَّ ﷺ كَانَ يُصَلِّي بِالْمَدِينَةِ يَجْمَعُ بَيْنَ الصَّلاَتَيْنِ بَيْنَ الظُّهْرِ وَالْعَصْرِ وَالْمَغْرِبِ وَالْعِشَاءِ مِنْ غَيْرِ خَوْفٍ وَلاَ مَطَرٍ قِيلَ لَهُ لِمَ قَالَ لِئَلاَّ يَكُونَ عَلَى أُمَّتِهِ حَرَجٌ  

abudawud:1211 – ʿUthmān b. Abū Shaybah > Abū Muʿāwiyah > al-Aʿmash > Ḥabīb b. Abū Thābit > Saʿīd b. Jubayr > Ibn ʿAbbās

The Messenger of Allah ﷺ combined the noon and afternoon prayers, and the sunset and night prayers at Medina without any danger and rain. He was asked: What did he intend by it ? He replied: He intended that his community might not fall into hardship.  

أبو داود:١٢١١ – حَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا أَبُو مُعَاوِيَةَ حَدَّثَنَا الأَعْمَشُ عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

جَمَعَ رَسُولُ اللَّهِ ﷺ بَيْنَ الظُّهْرِ وَالْعَصْرِ وَالْمَغْرِبِ وَالْعِشَاءِ بِالْمَدِينَةِ مِنْ غَيْرِ خَوْفٍ وَلاَ مَطَرٍ فَقِيلَ لاِبْنِ عَبَّاسٍ مَا أَرَادَ إِلَى ذَلِكَ قَالَ أَرَادَ أَنْ لاَ يُحْرِجَ أُمَّتَهُ  

ahmad:3323 – Wakīʿ > al-Aʿmash > Ḥabīb b. Abū Thābit > Saʿīd b. Jubayr > Ibn ʿAbbās

The Messenger of Allah ﷺ combined the noon and afternoon prayers, and the sunset and night prayers at Medina without any danger and rain. He was asked: What did he intend by it ? He replied: He intended that his community might not fall into hardship. (Using translation from Abū Dāʾūd 1211)   

أحمد:٣٣٢٣ – حَدَّثَنَا وَكِيعٌ حَدَّثَنَا الْأَعْمَشُ عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

جَمَعَ رَسُولُ اللهِ ﷺ بَيْنَ الظُّهْرِ وَالْعَصْرِ وَالْمَغْرِبِ وَالْعِشَاءِ فِي الْمَدِينَةِ مِنْ غَيْرِ خَوْفٍ وَلَا مَطَرٍ قُلْتُ لِابْنِ عَبَّاسٍ لِمَ فَعَلَ ذَلِكَ؟ قَالَ كَيْ لَا يُحْرِجَ أُمَّتَهُ  

bayhaqi:5548 – ʿAlī b. Muḥammad b. al-Zubayr al-Kūfī > Ibrāhīm b. Isḥāq > Jaʿfar b. ʿAwn > Hishām b. Saʿd > Abū al-Zubayr > Saʿīd b. Jubayr > ʿAbdullāh b. ʿAbbās

The Messenger of Allah ﷺ combined the noon and afternoon prayers, and the sunset and night prayers at Medina without any danger and rain. He was asked: What did he intend by it ? He replied: He intended that his community might not fall into hardship. (Using translation from Abū Dāʾūd 1211)   

البيهقي:٥٥٤٨ – وَأَمَّا حَدِيثُ هِشَامِ بْنِ سَعْدٍ 5548 فَأَخْبَرَنَا أَبُو الْقَاسِمِ الْخِرَقِيُّ بِبَغْدَادَ ثنا عَلِيُّ بْنُ مُحَمَّدِ بْنِ الزُّبَيْرِ الْكُوفِيُّ ثنا إِبْرَاهِيمُ بْنُ إِسْحَاقَ ثنا جَعْفَرُ بْنُ عَوْنٍ عَنْ هِشَامِ بْنِ سَعْدٍ ثنا أَبُو الزُّبَيْرِ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنْ عَبْدِ اللهِ بْنِ عَبَّاسٍ قَالَ

جَمَعَ رَسُولُ اللهِ ﷺ بَيْنَ الظُّهْرِ وَالْعَصْرِ وَالْمَغْرِبِ وَالْعِشَاءِ فِي الْمَدِينَةِ مِنْ غَيْرِ خَوْفٍ وَلَا سَفَرٍ قُلْتُ لِمَ تَرَى يَا ابْنَ عَبَّاسٍ؟ قَالَ أَرَادَ أَنْ لَا يُحْرِجَ أُمَّتَهُ