The Book of Prayers (Kitab Al-Salat) 
Muslim :: Book 4 : Hadith 1328
Salama b. al-Akwa' reported that the Messenger of Allah (may peace be upon him) used to say the evening prayer when the sun had set and disappeared (behind the horizon).
The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 1328
Salama b. al-Akwa' reported that the Messenger of Allah (may peace be upon him) used to say the evening prayer when the sun had set and disappeared (behind the horizon).