On the sunna of 'Asr

Riyad as-Salihin (The Meadows of the Righteous)

by Imam Nawawi

200. Chapter: On the sunna of 'Asr

1119. 'Ali ibn Abi Talib said, "The Prophet, may Allah bless him and grant him peace, used to pray four rak'ats before 'Asr and would separate them with a taslim to the highest of the angels and all of the Muslims and believers who follow them." [at-Tirmidhi]

1120. Ibn 'Umar reported that the Prophet, may Allah bless him and grant him peace, said, "May Allah have mercy on any man who prays four rak'ats before 'Asr." [Abu Dawud and at-Tirmidhi]

1121. 'Ali ibn Abi Talib reported that the Prophet, may Allah bless him and grant him peace, used to pray two rak'ats before 'Asr. [Abu Dawud]