Hadith
Mishkat al-Masabih #1886
Fasting· كتاب الصوم
mishkat_al_masabih:1886وَعَنْ عَمَّارِ بْنِ يَاسِرٍ رَضِيَ اللَّهُ عَنْهُمَا قَالَ: «مَنْ صَامَ الْيَوْمَ الَّذِي يُشَكُّ فِيهِ فَقَدَ عَصَى أَبَا الْقَاسِمِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ» . رَوَاهُ أَبُو دَاوُدَ وَالتِّرْمِذِيُّ وَالنَّسَائِيُّ وَابْنُ مَاجَهْ والدارمي
‘Ammar b. Yasir said, "He who fasts on a day about which he is doubtful has disobeyed Abul Qasim"* *i.e., the Prophet. Abu Dawud, Tirmidhi, Nasa’i, Ibn Majah and Darimi transmitted it.
Hadith text and chains are sourced from publicly available compilations. PeaceSIM’s rijal engine cross-links each narrator to its biographical profile where available.