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:4-2155bḤsrh b. Dajājah > Qīl Liʿāʾishah In ʿAliyyā Amar Biṣyām Yawm ʿĀshūrāʾ
Request/Fix translation

  

السيوطي:٤-٢١٥٥b

"عَنْ حسرة بِنْتِ دَجَاجَةَ قَالَتْ: قِيلَ لِعَائِشَةَ: إِنَّ عَلِيّا أَمَرَ بِصيَامِ يَوْمِ عَاشُورَاءَ، قَالَتْ: هُوَ أَعْلَمُ مَنْ بَقِىَ بِالسُّنَّةِ".  

ابن جرير