Ash-Shu‘arā’ - 189

﴿فَكَذَّبُوهُ فَأَخَذَهُمْ عَذَابُ يَوْمِ الظُّلَّةِ ۚ إِنَّهُ كَانَ عَذَابَ يَوْمٍ عَظِيمٍ﴾

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189. But they belied him, so the torment of the day of shadow (a gloomy cloud) seized them. Indeed that was the torment of a Great Day.