[Machine] "On the authority of the Prophet ﷺ , he said: Fasting on the Day of Arafah expiates the sins of two years, one before it and one after it, and fasting on the Day of Ashura expiates the sins of one year. Abu Al-Hassan Al-Muqri narrated to us, who informed us of Hasan bin Muhammad bin Ishaq, who narrated to us from Yusuf bin Ya'qub, who narrated to us from Abu Al-Rabi', who narrated to us from Jurayr, who mentioned it as 8383. Al-Thawri narrated it from Mansur, from Abu Al-Khalil, from Harmala Al-Shaibani, from Mawla Abu Qatadah, from Abu Qatadah. Abu Hamid Al-Mihrajani informed us, who narrated it from Abu Al-Abbas Al-Asamm, who narrated it from Al-Hasan bin Ali bin Affan, who narrated it from Abu Dawud Al-Hafari, from Sufyan, and he mentioned it."  

عَنِ النَّبِيِّ ﷺ قَالَ صَوْمُ عَرَفَةَ كَفَّارَةُ سَنَتَيْنِ سَنَةٍ قَبْلَهُ وَسَنَةٍ بَعْدَهُ وَصَوْمُ عَاشُورَاءَ كَفَّارَةُ سَنَةٍ أَخْبَرَنَاهُ أَبُو الْحَسَنِ الْمُقْرِئُ أنبأ الْحَسَنُ بْنُ مُحَمَّدِ بْنِ إِسْحَاقَ ثنا يُوسُفُ بْنُ يَعْقُوبَ ثنا أَبُو الرَّبِيعِ ثنا جُرَيْرٌ فَذَكَرَهُ 8383 وَرَوَاهُ الثَّوْرِيُّ عَنْ مَنْصُورٍ عَنْ أَبِي الْخَلِيلِ عَنْ حَرْمَلَةَ الشَّيْبَانِيِّ عَنْ مَوْلًى لِأَبِي قَتَادَةَ عَنْ أَبِي قَتَادَةَ أَخْبَرَنَاهُ أَبُو حَامِدٍ الْمِهْرَجَانِيُّ ثنا أَبُو الْعَبَّاسِ الْأَصَمُّ ثنا الْحَسَنُ بْنُ عَلِيِّ بْنِ عَفَّانَ ثنا أَبُو دَاوُدَ الْحَفَرِيُّ عَنْ سُفْيَانَ فَذَكَرَهُ