Al Ma'arij, 4 Ayah
70:4
تَعۡرُجُ ٱلۡمَلَٰٓئِكَةُ وَٱلرُّوحُ إِلَيۡهِ فِي يَوۡمٖ كَانَ مِقۡدَارُهُۥ خَمۡسِينَ أَلۡفَ سَنَةٖ ٤
Ta`ruju Al-Malā'ikatu Wa Ar-Rūĥu 'Ilayhi Fī Yawmin Kāna Miqdāruhu Khamsīna 'Alfa Sanahin
The angels and the Spirit will ascend to Him during a Day the extent of which is fifty thousand years.