Surah Al-Kahf — Ayah 25 (18:25)
وَلَبِثُواْ فِي كَهۡفِهِمۡ ثَلَٰثَ مِاْئَةٖ سِنِينَ وَٱزۡدَادُواْ تِسۡعٗا ٢٥
English translation (Saheeh International)
And they remained in their cave for three hundred years and exceeded by nine.1
- - i.e., 309 lunar years.
Brief commentary
The people of the cave remained in their cave for three hundred and nine years.