(38) باب بَيَانِ أَنَّ أَوَّلَ وَقْتِ الْمَغْرِبِ عِنْدَ غُرُوبِ الشَّمْسِ
Salama b. al-Akwa' reported that the Messenger of Allah (ﷺ) used to pray the evening prayer when the sun had set and disappeared (behind the horizon). (IT)
Reference (IT): Sahih Muslim 636 (IT)
In-book reference (IT): Book 5, Hadith 276 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1328 (IT)