The word(s) "horizon" appears 3 time(s) in 3 verse(s) in Quran in Saheeh International translation.

(1) We will show them Our signs in the horizons and within themselves until it becomes clear to them that it is the truth. But is it not sufficient concerning your Lord that He is, over all things, a Witness?

(سورة فصلت, Fussilat, Chapter #41, Verse #53)
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(2) While he was in the higher [part of the] horizon.

(سورة النجم, An-Najm, Chapter #53, Verse #7)
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(3) And he has already seen Gabriel in the clear horizon.

(سورة التكوير, At-Takwir, Chapter #81, Verse #23)
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