Thulathiyyat (Musnad Ahmad) 277

Translation

Salamah ibn al-Akwaʿ (may Allah be pleased with him) reported that the Messenger of Allah (ﷺ) ﷺ said to a man from Aslam, “Announce to your people”, or “to the people”, on the day of ʿĀshūrāʾ: “Whoever has eaten, let him fast the remainder of his day; and whoever has not eaten, let him fast [the whole day].” Reference: Musnad Aḥmad 277

Grades by grader

Same hadith, other wordings

• Sunan an-Nasa'i 2321أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لِرَجُلٍ أَذِّنْ يَوْمَ عَاشُورَاءَ مَنْ كَانَ أَكَلَ فَلْيُتِمَّ بَقِيَّةَ يَوْمِهِ وَمَنْ لَمْ يَكُنْ أَكَلَ فَلْيَصُمْ
• Shahih al-Bukhari 7265أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لِرَجُلٍ مِنْ أَسْلَمَ أَذِّنْ فِي قَوْمِكَ أَوْ فِي النَّاسِ يَوْمَ عَاشُورَاءَ أَنَّ مَنْ أَكَلَ فَلْيُتِمَّ بَقِيَّةَ يَوْمِهِ وَمَنْ لَمْ يَكُنْ أَكَلَ فَلْيَصُمْ