What was narrated concerning fasting on the day of doubt

Sunan Ibn Majah · Book 7 · Hadith 1645

حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ نُمَيْرٍ، حَدَّثَنَا أَبُو خَالِدٍ الأَحْمَرُ، عَنْ عَمْرِو بْنِ قَيْسٍ، عَنْ أَبِي إِسْحَاقَ، عَنْ صِلَةَ بْنِ زُفَرَ، قَالَ كُنَّا عِنْدَ عَمَّارٍ فِي الْيَوْمِ الَّذِي يُشَكُّ فِيهِ فَأُتِيَ بِشَاةٍ فَتَنَحَّى بَعْضُ الْقَوْمِ فَقَالَ عَمَّارٌ مَنْ صَامَ هَذَا الْيَوْمَ فَقَدْ عَصَى أَبَا الْقَاسِمِ ـ صلى الله…

It was narrated that Silah bin Zufar said: “We were with ‘Ammar on the day concerning which there was some doubt. A (roasted) sheep was brought and some of the people moved away. ‘Ammar said: ‘Whoever is fasting on this…

Sunan Ibn Majah · Book 7 · Hadith 1646

حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا حَفْصُ بْنُ غِيَاثٍ، عَنْ عَبْدِ اللَّهِ بْنِ سَعِيدٍ، عَنْ جَدِّهِ، عَنْ أَبِي هُرَيْرَةَ، قَالَ نَهَى رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ عَنْ تَعْجِيلِ صَوْمِ يَوْمٍ قَبْلَ الرُّؤْيَةِ ‏.‏

It was narrated that Abu Hurairah said: “The Messenger of Allah (ﷺ) forbade anticipating the fast by fasting one day before sighting (of the crescent).”