Sahih al-Bukhari 685
صحيح البخاري#685SahihNarrated Malik bin Huwairith:We went to the Prophet (ﷺ) and we were all young men and stayed with him for about twenty nights. The Prophet (ﷺ) was very merciful. He said, "When you return home, impart religious teachings to your families and tell them to offer perfectly such and such a prayer at such and such a time and such and such a prayer at such and such a time. And at the time of the prayer one of you should pronounce the Adhan and the oldest of you should lead the prayer
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: 10:79