Surah Al-Ma'arij, verse 6

تَعْرُجُ ٱلْمَلَـٰٓئِكَةُ وَٱلرُّوحُ إِلَيْهِ فِى يَوْمٍۢ كَانَ مِقْدَارُهُۥ خَمْسِينَ أَلْفَ سَنَةٍۢ ﴿٤﴾

The angels and the Spirit [i.e., Gabriel] will ascend to Him during a Day the extent of which is fifty thousand years.

فَٱصْبِرْ صَبْرًۭا جَمِيلًا ﴿٥﴾

So be patient with gracious patience.

وَنَرَىٰهُ قَرِيبًۭا ﴿٧﴾

But We see it [as] near.

يَوْمَ تَكُونُ ٱلسَّمَآءُ كَٱلْمُهْلِ ﴿٨﴾

On the Day the sky will be like murky oil,