﴿ يَوْمَ يُنفَخُ فِى ٱلصُّورِ ۚ وَنَحْشُرُ ٱلْمُجْرِمِينَ يَوْمَئِذٍۢ زُرْقًۭا ﴾

“on the Day when the trumpet is blown: for on that Day We will assemble all such as had been lost in sin, their eyes dimmed [by terror],”

(The day when the Trumpet is blown) i.e. on the first blowing of the Trumpet. (On that day we assemble the guilty) the idolaters (white-eyed) blind,