Hadith #456
Arabic Text
حَدَّثَنَا يَحْيَى عَنْ شُعْبَةَ حَدَّثَنَا أَبُو بِشْرٍ عَنْ سَعِيدِ بْنِ
جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ رَضِيَ اللَّهُ عَنْهُ قَالَ كَانَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَصُومُ حَتَّى نَقُولَ لَا يُفْطِرُ وَيُفْطِرُ حَتَّى نَقُولَ لَا يَصُومُ وَمَا صَامَ شَهْرًا تَامًّا مُنْذُ قَدِمَ الْمَدِينَةَ إِلَّا رَمَضَانَ
Isnad Chain
English Translation
Yahya narrated from Shu'bah, Abu Bishr narrated to us, from Sa'id ibn Jubayr, from Ibn 'Abbas (رضي الله عنهما) who said: the Messenger of Allah ﷺ used to fast until we would say: 'He will not break his fast,' and he would break his fast until we would say: 'He will not fast.' And he never fasted a complete month since he came to Madinah except Ramadan.
Quran References
Reference: Musnad Ahmad, Book 8, Hadith 456
Sunnah.com ref: Musnad Ahmad 1894
Islam.wiki ID: IWH-38284