Sahih al-Bukhari 2520
صحيح البخاري#2520SahihNarrated Asma' bint Abu Bakr:We were ordered to free slaves at the time of lunar eclipses
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: 49:4