Sunan Ibn Majah 1739
سنن ابن ماجه#1739Sahihحَدَّثَنَا هِشَامُ بْنُ عَمَّارٍ، حَدَّثَنَا يَحْيَى بْنُ حَمْزَةَ، حَدَّثَنِي ثَوْرُ بْنُ يَزِيدَ، عَنْ خَالِدِ بْنِ مَعْدَانَ، عَنْ رَبِيعَةَ بْنِ الْغَازِ، أَنَّهُ سَأَلَ عَائِشَةَ عَنْ صِيَامِ، رَسُولِ اللَّهِ ـ صلى الله عليه وسلم ـ فَقَالَتْ كَانَ يَتَحَرَّى صِيَامَ الاِثْنَيْنِ وَالْخَمِيسِ .
It was narrated from Rabi’ah bin Ghaz that he asked ‘Aishah about the fasting of the Messenger of Allah (ﷺ). She said:“He used to make sure he fasted on Mondays and Thursdays.”
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:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiSahih
In-book reference: 7:102