Sunan Abi Dawud 403
سنن أبي داود#403SahihJabir b. Samurah reported that Bilal used to call for the noon prayer when the sun had declined
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan Sahih
Muhammad Muhyi Al-Din Abdul HamidHasan Sahih
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiIsnaad Sahih Sahih Muslim
In-book reference: 2:13