Surah No. 27, An Namal, Ayat No. 65

قُل لَّا يَعْلَمُ مَن فِي السَّمَاوَاتِ وَالْأَرْضِ الْغَيْبَ إِلَّا اللَّهُ وَمَا يَشْعُرُونَ أَيَّانَ يُبْعَثُونَ

Translation :

Say: "None in the heavens and the earth knows the Unseen (Ghaib) except Allah, nor they can perceive when they shall be raised up (for Judgement).