Sunan an-Nasa'i 550
سنن النسائي#550Sahihأَخْبَرَنَا إِبْرَاهِيمُ بْنُ مُحَمَّدٍ، وَمُحَمَّدُ بْنُ الْمُثَنَّى، - وَاللَّفْظُ لَهُ - قَالاَ حَدَّثَنَا يَحْيَى، عَنْ عَبْدِ اللَّهِ بْنِ سَعِيدٍ، قَالَ حَدَّثَنِي عَبْدُ الرَّحْمَنِ الأَعْرَجُ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " مَنْ أَدْرَكَ سَجْدَةً مِنَ الصُّبْحِ قَبْلَ أَنْ تَطْلُعَ الشَّمْسُ فَقَدْ أَدْرَكَهَا وَمَنْ أَدْرَكَ سَجْدَةً مِنَ الْعَصْرِ قَبْلَ أَنْ تَغْرُبَ الشَّمْسُ فَقَدْ أَدْرَكَهَا " .
It was narrated from Abu Hurairah that the Prophet (ﷺ) said:"Whoever catches up with a prostration of Subh before the sun rises, then he has caught up with it; and whoever catches up with a prostration of 'Asr before the sun sets, then he has caught up with it
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: 6:57