The word(s) "l'obscurité" appears 2 time(s) in 2 verse(s) in Quran in French (Muhammad Hamidullah) translation.

(1) Accomplis la Salât au déclin du soleil jusqu'à l'obscurité de la nuit, et [fais] aussi la Lecture à l'aube, car la Lecture à l'aube a des témoins.

(سورة الإسراء, Al-Israa, Chapter #17, Verse #78)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) contre le mal de l'obscurité quand elle s'approfondit,

(سورة الفلق, Al-Falaq, Chapter #113, Verse #3)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)