Sahih al-Bukhari 1965
صحيح البخاري#1965Sahihحَدَّثَنَا أَبُو الْيَمَانِ، أَخْبَرَنَا شُعَيْبٌ، عَنِ الزُّهْرِيِّ، قَالَ حَدَّثَنِي أَبُو سَلَمَةَ بْنُ عَبْدِ الرَّحْمَنِ، أَنَّ أَبَا هُرَيْرَةَ ـ رضى الله عنه ـ قَالَ نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم عَنِ الْوِصَالِ فِي الصَّوْمِ فَقَالَ لَهُ رَجُلٌ مِنَ الْمُسْلِمِينَ إِنَّكَ تُوَاصِلُ يَا رَسُولَ اللَّهِ قَالَ " وَأَيُّكُمْ مِثْلِي إِنِّي أَبِيتُ يُطْعِمُنِي رَبِّي وَيَسْقِينِ ". فَلَمَّا أَبَوْا أَنْ يَنْتَهُوا عَنِ الْوِصَالِ وَاصَلَ بِهِمْ يَوْمًا ثُمَّ يَوْمًا، ثُمَّ رَأَوُا الْهِلاَلَ، فَقَالَ " لَوْ تَأَخَّرَ لَزِدْتُكُمْ ". كَالتَّنْكِيلِ لَهُمْ، حِينَ أَبَوْا أَنْ يَنْتَهُوا.
Narrated Abu Huraira:Allah's Messenger (ﷺ) forbade Al-Wisal in fasting. So, one of the Muslims said to him, "But you practice Al- Wisal. O Allah's Messenger (ﷺ)!" The Prophet (ﷺ) replied, "Who amongst you is similar to me? I am given food and drink during my sleep by my Lord." So, when the people refused to stop Al-Wisal (fasting continuously), the Prophet (ﷺ) fasted day and night continuously along with them for a day and then another day and then they saw the crescent moon (of the month of Shawwal). The Prophet (ﷺ) said to them (angrily), "If It (the crescent) had not appeared, I would have made you fast for a longer period." That was as a punishment for them when they refused to stop (practicing Al-Wisal)
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 30:72