Times of the Prayers
Bukhari :: Book 1 :: Volume 10 :: Hadith 570
Narrated Jabir bin 'Abdullah:
On the day of Al-Khandaq (the battle of trench.) 'Umar bin Al-Khattab came cursing the disbelievers of Quraish after the sun had set and said, "O Allah's Apostle I could not offer the 'Asr prayer till the sun had set." The Prophet said, "By Allah! I, too, have not prayed." So we turned towards Buthan, and the Prophet performed ablution and we too performed ablution and offered the 'Asr prayer after the sun had set, and then he offered the Maghrib prayer.
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