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.
ahmad:10081ʿAbd al-Raḥman > Sufyān > Ḥabīb > Ibn al-Muṭawwis > Abīhiʿan Abū Hurayrah

[Machine] About the Prophet ﷺ , he said, "Whoever breaks their fast for one day in Ramadan without being sick or having a valid excuse, they will not be able to make up for the whole lifetime of fasting even if they fasted it." Sufyan said: Habib narrated to me from Umara from Abu Al-Mutawwassit, so I met Abu Al-Mutawwassit and he narrated to me, and Abu Nuaym narrated to him. Abu Al-Mutawwassit said:  

أحمد:١٠٠٨١حَدَّثَنَا عَبْدُ الرَّحْمَنِ حَدَّثَنَا سُفْيَانُ عَنْ حَبِيبٍ قَالَ حَدَّثَنِي ابْنُ الْمُطَوِّسِ عَنِ أَبِيهِعَنِ أَبِي هُرَيْرَةَ

عَنِ النَّبِيِّ ﷺ قَالَ مَنْ أَفْطَرَ يَوْمًا فِي رَمَضَانَ مِنْ غَيْرِ مَرَضٍ وَلَا رُخْصَةٍ لَمْ يَقْضِ عَنْهُ صِيَامُ الدَّهْرِ كُلِّهِ وَإِنْ صَامَهُ قَالَ سُفْيَانُ قَالَ حَبِيبٌ حَدَّثَنِي عُمَارَةُ عَنِ أَبِي الْمُطَوِّسِ فَلَقِيتُ أَبَا الْمُطَوِّسِ فَحَدَّثَنِي حَدَّثَنَاهُ أَبُو نُعَيْمٍ فَقَالَ أَبُو الْمُطَوِّسِ