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.
suyuti:420-223bIbn ʿAbbās
Request/Fix translation

  

السيوطي:٤٢٠-٢٢٣b

"عَنِ ابْنِ عَبَّاسٍ قَالَ: مَا كانَ رَسُولُ الله ﷺ يَتَحَرَّى صِيَامَ يَوْم يُبْتَغَى فَضْلهُ إِلا صِيَامَ رَمَضَانَ، وَهذَا الْيَوْمَ، يَوْمَ عَاشُورَاءَ".  

ابن زنجويه

See similar narrations below:

Collected by Aḥmad
ahmad:2854Muḥammad b. Bakr > Ibn Jurayj > ʿUbaydullāh b. Abū Yazīd > Ibn ʿAbbās

[Machine] "He heard Ibn Abbas saying, 'I did not know that the Messenger of Allah ﷺ would ever seek his virtue over others except on the day of Ashura or the month of Ramadan.'"  

أحمد:٢٨٥٤حَدَّثَنَا مُحَمَّدُ بْنُ بَكْرٍ قَالَ أَخْبَرَنَا ابْنُ جُرَيْجٍ قَالَ أَخْبَرَنِي عُبَيْدُ اللهِ بْنُ أَبِي يَزِيدَ

أَنَّهُ سَمِعَ ابْنَ عَبَّاسٍ يَقُولُ مَا عَلِمْتُ رَسُولَ اللهِ ﷺ كَانَ يَتَحَرَّىيَوْمًا يَبْتَغِي فَضْلَهُ عَلَى غَيْرِهِ إِلَّا هَذَا الْيَوْمَ يَوْمَ عَاشُورَاءَ أَوْ شَهْرَ رَمَضَانَ  

ahmad:3475ʿAbd al-Razzāq And Ibn Bakr > Ibn Jurayj > Akhbaranīʿubayd Allāh b. Abū Yazīd > Ibn ʿAbbās

[Machine] He heard Ibn Abbas saying, "I haven't known the Messenger of Allah ﷺ to fast a day seeking its excellence over others, except for the Day of Ashura or Ramadan." He said, "The soul or the month of Ramadan."  

أحمد:٣٤٧٥حَدَّثَنَا عَبْدُ الرَّزَّاقِ وَابْنُ بَكْرٍ قَالَا أَخْبَرَنَا ابْنُ جُرَيْجٍ قَالَ أَخْبَرَنِيعُبَيْدُ اللهِ بْنُ أَبِي يَزِيدَ

أَنَّهُ سَمِعَ ابْنَ عَبَّاسٍ يَقُولُ مَا عَلِمْتُ رَسُولَ اللهِ ﷺ كَانَ يَتَحَرَّى صِيَامَ يَوْمٍ يَبْتَغِي فَضْلَهُ عَلَى غَيْرِهِ إِلَّا هَذَا الْيَوْمَ لِيَوْمِ عَاشُورَاءَ أَوْ رَمَضَانَ قَالَ رَوْحٌ أَوْ شَهْرُ رَمَضَانَ