Sunan Abi Dawud 397
سنن أبي داود#397SahihMuhammad b. 'Amr b. al-Hasan reported:We asked Jabir about the time of the prayer of the Messenger of Allah (ﷺ). He said: He used to offer the Zuhr prayer in the midday heat, the 'Asr prayer when the sun was bright, the Maghrib prayer when the sun had completely set, the Isha prayer early when many people were present, but late if there were few, and the Fajr prayer in the darkness (of the dawn)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (560) Sahih Muslim (646)
In-book reference: 2:7