Sahih al-Bukhari 563
صحيح البخاري#563Sahihحَدَّثَنَا أَبُو مَعْمَرٍ ـ هُوَ عَبْدُ اللَّهِ بْنُ عَمْرٍو ـ قَالَ حَدَّثَنَا عَبْدُ الْوَارِثِ، عَنِ الْحُسَيْنِ، قَالَ حَدَّثَنَا عَبْدُ اللَّهِ بْنُ بُرَيْدَةَ، قَالَ حَدَّثَنِي عَبْدُ اللَّهِ الْمُزَنِيُّ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ " لاَ تَغْلِبَنَّكُمُ الأَعْرَابُ عَلَى اسْمِ صَلاَتِكُمُ الْمَغْرِبِ ". قَالَ الأَعْرَابُ وَتَقُولُ هِيَ الْعِشَاءُ.
Narrated `Abdullah Al-Muzani:The Prophet (ﷺ) said, "Do not be influenced by bedouins regarding the name of your Maghrib prayer which is called `Isha' by them
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:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 9:40