Sahih Muslim Book: 7, Hadith: 1963

وَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا وَكِيعٌ، ح وَحَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ، نُمَيْرٍ حَدَّثَنَا أَبِي وَابْنُ، بِشْرٍ قَالُوا جَمِيعًا حَدَّثَنَا هِشَامٌ، عَنْ أَبِيهِ، عَنِ ابْنِ عُمَرَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ “‏ إِذَا بَدَا حَاجِبُ الشَّمْسِ فَأَخِّرُوا الصَّلاَةَ حَتَّى تَبْرُزَ وَإِذَا غَابَ حَاجِبُ الشَّمْسِ فَأَخِّرُوا الصَّلاَةَ حَتَّى تَغِيبَ ‏”‏ ‏.‏ Abu Basra Ghifari reported:The Messenger of Allah (may peace be upon him) led us in the ‘Asr prayer at (the place known as) Mukhammas, and then said: This prayer was presented to those gone before you, but they lost it, and he who guards it has two rewards in store for him. And no prayer is valid after till the onlooker appears (by onlooker is meant the evening star). Chain : Abu Bakr bin Abi Shayba – Waki’ bin al-Jarrah – Muhammad bin ‘Abdullah bin Numayr – Hisham bin Abi ‘Abdullah al-Dastawa’i – ibn...