فَكَذَّبُوهُ فَأَخَذَهُمۡ عَذَابُ يَوۡمِ ٱلظُّلَّةِۚ إِنَّهُۥ كَانَ عَذَابَ يَوۡمٍ عَظِيمٍ
Fakaththaboohu faakhathahum AAathabu yawmi alththullati innahu kana AAathaba yawmin AAatheemin
But they rejected him. Then the punishment of a day of overshadowing gloom seized them, and that was the Penalty of a Great Day.