(8) باب وَقْتِ صَلاَةِ الْعِشَاءِ
It was narrated that Abu Hurairah said:
"The Messenger of Allah said: 'Were it not that it would be too difficult for my Ummah, I would have delayed the 'Isha' prayer until one third or one half of the night had passed.'"
Reference: Sunan Ibn Majah 691
In-book reference: Book 2, Hadith 25
English translation: Vol. 1, Book 2, Hadith 691