Surah Al-Kahf (18)Ayah 12Juz 15Mushaf page 265
ثُمَّ بَعَثْنَـٰهُمْ لِنَعْلَمَ أَىُّ ٱلْحِزْبَيْنِ أَحْصَىٰ لِمَا لَبِثُوٓا۟ أَمَدًا
Al-Kahf — Ayah 12
The Cave · الكهف · 18:12
Thereafter We raised them up, so that We know which of the two groups had better calculated the period in which they remained (sleeping).
Translation: Mufti Taqi Usmani