Sahih al-Bukhari Hadith 802 – Volume 1, Book 12

English

Volume 1, Book 12, Number 802:
Narrated Abu Ma'bad:
(the freed slave of Ibn 'Abbas) Ibn 'Abbas told me, "In the lifetime of the Prophet it was the custom
to celebrate Allah's praises aloud after the compulsory congregational prayers." Ibn 'Abbas further
said, "When I heard the Dhikr, I would learn that the compulsory congregational prayer had ended."