Sunan Ibn Majah
Sunan Ibn Majah 1738
حَدَّثَنَا أَحْمَدُ بْنُ عَبْدَةَ، أَنْبَأَنَا حَمَّادُ بْنُ زَيْدٍ، حَدَّثَنَا غَيْلاَنُ بْنُ جَرِيرٍ، عَنْ عَبْدِ اللَّهِ بْنِ مَعْبَدٍ الزِّمَّانِيِّ، عَنْ أَبِي قَتَادَةَ، قَالَ: قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " صِيَامُ يَوْمِ عَاشُورَاءَ إِنِّي أَحْتَسِبُ عَلَى اللَّهِ أَنْ يُكَفِّرَ السَّنَةَ الَّتِي قَبْلَهُ " .
Unreviewed translation. All hadiths in this collection are available in five languages. Titles and introductions may remain in Arabic.
Ahmad ibn Abdah narrated to us; Hammad ibn Zayd informed us; Ghaylan ibn Jarir narrated to us, from Abdullah ibn Ma‘bad al-Zimmani, from Abu Qatadah, who said: The Messenger of Allah (peace and blessings be upon him) said: ‘Fasting on the Day of Ashura—I hope for Allah’s reward that it will expiate the year before it.’
Notes and open questions — unreviewed
The Arabic does not explicitly state ‘sins’ as the object of expiation.