حَدَّثَنَا عَفَّانُ، حَدَّثَنَا هَمَّامٌ، حَدَّثَنَا قَتَادَةُ، حَدَّثَنِي أَبُو الْعَالِيَةِ، عَنِ ابْنِ عَبَّاسٍ
قَالَ شَهِدَ عِنْدِي رِجَالٌ مَرْضِيُّونَ فِيهِمْ عُمَرُ رَضِيَ اللَّهُ عَنْهُ وَأَرْضَاهُمْ عِنْدِي عُمَرُ رَضِيَ اللَّهُ عَنْهُ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: لَا صَلَاةَ بَعْدَ الصُّبْحِ حَتَّى تَطْلُعَ الشَّمْسُ وَلَا صَلَاةَ بَعْدَ الْعَصْرِ حَتَّى تَغْرُبَ الشَّمْسُ
Some righteous men, including Umar – and the most righteous of them in my view was Umar – confirmed when I was present that the Messenger of Allah (sallallahu alayhi wa sallam) said: ‘There is no prayer after Fajr until the sun rises and there is no prayer after Asr until the sun sets.’.
Musnad Ahmad 125, Book 2, Musnad `Umar b. al-Khattab (ra), Hadith 48. 1 min read