81:23
وَلَقَدْ رَءَاهُ بِٱلْأُفُقِ ٱلْمُبِينِ
walaqad raāhu bil-ufuqi l-mubīni
And he has already seen him [i.e., Gabriel] in the clear horizon.
— Saheeh International
he did see him on the clear horizon.
— M. A. S. Abdel Haleem
And indeed he (Muhammad صلى الله عليه وسلم) saw him [Jibrîl (Gabriel)] in the clear horizon (towards the east).
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali