Sahih al-Bukhari 5054
صحيح البخاري#5054SahihNarrated `Abdullah bin `Amr:Allah's Messenger (ﷺ) said to me, "Recite the whole Qur'an in one month's time." I said, "But I have power (to do more than that)." Allah's Messenger (ﷺ) said, "Then finish the recitation of the Qur'an in seven days, and do not finish it in less than this period
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: 66:79