Sunan Abi Dawud 2423
سنن أبي داود#2423SahihNarrated Al-Laith:When it was mentioned to Ibn Shihab (al-Zuhri) that fasting on Saturday had been prohibited, he would say: This is a Himsi tradition
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniMaqtu
Muhammad Muhyi Al-Din Abdul HamidMaqtu
Zubair Ali ZaiIsnaad Sahih
In-book reference: 14:111