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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
tirmidhi:755 – Qutaybah > ʿAbd al-Wārith > Yūnus > al-Ḥasan > Ibn ʿAbbās

"The Messenger of Allah ordered fasting the tenth day for the Day of Ashura."  

الترمذي:٧٥٥ – حَدَّثَنَا قُتَيْبَةُ حَدَّثَنَا عَبْدُ الْوَارِثِ عَنْ يُونُسَ عَنِ الْحَسَنِ عَنِ ابْنِ عَبَّاسٍ قَالَ

أَمَرَ رَسُولُ اللَّهِ ﷺ بِصَوْمِ عَاشُورَاءَ يَوْمَ الْعَاشِرِ  

قَالَ أَبُو عِيسَى حَدِيثُ ابْنِ عَبَّاسٍ حَدِيثٌ حَسَنٌ صَحِيحٌ وَقَدِ اخْتَلَفَ أَهْلُ الْعِلْمِ فِي يَوْمِ عَاشُورَاءَ فَقَالَ بَعْضُهُمْ يَوْمُ التَّاسِعِ وَقَالَ بَعْضُهُمْ يَوْمُ الْعَاشِرِ وَرُوِيَ عَنِ ابْنِ عَبَّاسٍ أَنَّهُ قَالَ صُومُوا التَّاسِعَ وَالْعَاشِرَ وَخَالِفُوا الْيَهُودَ وَبِهَذَا الْحَدِيثِ يَقُولُ الشَّافِعِيُّ وَأَحْمَدُ وَإِسْحَاقُ

See similar narrations below:

Collected by Ibn Mājah, Suyūṭī
ibnmajah:1733 – Abū Bakr b. Abū Shaybah > Yazīd b. Hārūn > Ibn Abū Dhiʾb > al-Zuhrī > ʿUrwah > ʿĀʾishah

“The Messenger of Allah ﷺ used to fast ‘Ashura’, and he ordered (others) to fast it too.”  

ابن ماجة:١٧٣٣ – حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ عَنِ ابْنِ أَبِي ذِئْبٍ عَنِ الزُّهْرِيِّ عَنْ عُرْوَةَ عَنْ عَائِشَةَ قَالَتْ

كَانَ رَسُولُ اللَّهِ ﷺ يَصُومُ عَاشُورَاءَ وَيَأْمُرُ بِصِيَامِهِ