Al-Ma‘ârij 70:4

تَعْرُجُ الْمَلَائِكَةُ وَالرُّوحُ إِلَيْهِ فِي يَوْمٍ كَانَ مِقْدَارُهُ خَمْسِينَ أَلْفَ سَنَةٍ ٤

TaAAruju almalaikatu waalrroohu ilayhi fee yawmin kana miqdaruhu khamseena alfa sanatin

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“(Whereby) the angels and the Spirit ascend unto Him in a Day whereof the span is fifty thousand years.” (70:4)