Jami` at-Tirmidhi 180
جامع الترمذي#180Sahihوَحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، بُنْدَارٌ حَدَّثَنَا مُعَاذُ بْنُ هِشَامٍ، حَدَّثَنِي أَبِي، عَنْ يَحْيَى بْنِ أَبِي كَثِيرٍ، حَدَّثَنَا أَبُو سَلَمَةَ بْنُ عَبْدِ الرَّحْمَنِ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، أَنَّ عُمَرَ بْنَ الْخَطَّابِ، قَالَ يَوْمَ الْخَنْدَقِ وَجَعَلَ يَسُبُّ كُفَّارَ قُرَيْشٍ قَالَ يَا رَسُولَ اللَّهِ مَا كِدْتُ أُصَلِّي الْعَصْرَ حَتَّى تَغْرُبَ الشَّمْسُ . فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " وَاللَّهِ إِنْ صَلَّيْتُهَا " . قَالَ فَنَزَلْنَا بُطْحَانَ فَتَوَضَّأَ رَسُولُ اللَّهِ صلى الله عليه وسلم وَتَوَضَّأْنَا فَصَلَّى رَسُولُ اللَّهِ صلى الله عليه وسلم الْعَصْرَ بَعْدَ مَا غَرَبَتِ الشَّمْسُ ثُمَّ صَلَّى بَعْدَهَا الْمَغْرِبَ . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ .
Jabir bin Abdullah narrated:"On the Day of Al-Khandaq (the battle of the Trench), Umar bin Al-Khattab came cursing the disbelievers of Quraish and said: 'O Allah's Messenger! I could not offer he Asr prayer until the sun was about to set.' The Prophet said: 'By Allah! I too have not offered the Salat.'" So he said: "We descended into Buthan, Allah's Messenger performed Wudu and we too performed Wudu. Allah's Messenger prayed Asr after the sun had set, then after it he prayed Maghrib
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 2:32