Musnad Abu Ya'la al-Mawsili 148:79

Abu Bakr ibn Abi Shaybah narrated to us, Zayd ibn al-Hubab narrated to us, he said: Fulayh ibn Sulayman al-Madini narrated to me, Uthman ibn Abd al-Rahman narrated to us that he heard Anas ibn Malik saying: We used to pray the Friday prayer with the Messenger of Allah, may Allah bless him and grant him peace, when the sun had declined.