Volume 1, Book 10, Number 572:
Narrated Jabir:
Umar came cursing the disbelievers (of Quraish) on the day of Al-Khandaq (the battle of Trench)
and said, “I could not offer the ‘Asr prayer till the sun had set. Then we went to Buthan and he
offered the (‘Asr) prayer after sunset and then he offered the Maghrib prayer.