Sunan Abi Dawud 579
سنن أبي داود#579SahihNarrated Abdullah ibn Umar: Sulayman, the freed slave of Maymunah, said: I came to Ibn Umar at Bilat (a place in Medina) while the people were praying. I said: Do you not pray along with them? He said: I heard the Messenger of Allah (ﷺ) say: Do not say a prayer twice in a day
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 ArnautHasan
Zubair Ali ZaiIsnaad Sahih
In-book reference: 2:189