70:4
تَعْرُجُٱلْمَلَٰٓئِكَةُوَٱلرُّوحُإِلَيْهِفِىيَوْمٍكَانَمِقْدَارُهُۥخَمْسِينَأَلْفَسَنَةٍ٤
taʿruju l-malāikatu wal-rūḥu ilayhi fī yawmin kāna miq'dāruhu khamsīna alfa sanatin
The angels and the Spirit [i.e., Gabriel] will ascend to Him during a Day the extent of which is fifty thousand years.(4)