Sahih al-Bukhari · Hadith 746

Call to Prayers (Adhaan)
746

Narrated Abu Ma`mar: We asked Khabbab whether Allah's Messenger (ﷺ) used to recite (the Qur'an) in the Zuhr and the `Asr prayers. He replied in the affirmative. We said, "How did you come to know about it?" He said, "By the movement of his beard