Sunan Abi Dawud 417
سنن أبي داود#417SahihSalamah b. al-Akwa' said:The Prophet (ﷺ) used to say the Maghrib prayer immediately after the sun had set when its upper side would disappear
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 (561) Sahih Muslim (636)
In-book reference: 2:27