Sunan an-Nasa'i 571
سنن النسائي#571Sahihأَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ، قَالَ حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا هِشَامُ بْنُ عُرْوَةَ، قَالَ أَخْبَرَنِي أَبِي قَالَ، أَخْبَرَنِي ابْنُ عُمَرَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِذَا طَلَعَ حَاجِبُ الشَّمْسِ فَأَخِّرُوا الصَّلاَةَ حَتَّى تُشْرِقَ وَإِذَا غَابَ حَاجِبُ الشَّمْسِ فَأَخِّرُوا الصَّلاَةَ حَتَّى تَغْرُبَ " .
Ibn 'Umar said:"The Messenger of Allah (ﷺ) said: 'When the edge of the sun rises, then delay prayer until it has fully risen, and when the edge of the sun starts to set, delay prayer until it has fully set
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: 6:78