Sunan Ibn Majah 1740
سنن ابن ماجه#1740SahihIt was narrated from Abu Hurairah that the Prophet (ﷺ) used to fast on Mondays and Thursdays. It was said:“O Messenger of Allah, why do you fast on Mondays and Thursdays?” He said: “On Mondays and Thursdays Allah forgives every Muslim except two who have forsaken one another. He says: ‘Leave these two until they reconcile.’”
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiIsnaad Hasan
In-book reference: 7:103