Sahih al-Bukhari 4470
صحيح البخاري#4470SahihNarrated Ibn Abu Habib:Abu Al-Khair said, "As-Sunabihi asked (me), 'When did you migrate?' I (i.e. Abu Al-Khair) said, 'We went out from Yemen as emigrants and arrived at Al-Juhfa, and there came a rider whom I asked about the news. The rider said: We buried the Prophet (ﷺ) five days ago." I asked (As-Sunabihi), 'Did you hear anything about the night of Qadr?' He replied, 'Bilal, the Mu'adh-dhin of the Prophet (ﷺ) informed me that it is on one of the seven nights of the last ten days (of Ramadan)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 64:485