50:20

Qaaf 50:20

وَنُفِخَ فِى ٱلصُّورِ ۚ ذَٰلِكَ يَوْمُ ٱلْوَعِيدِ

Wa nufikha fis Soor; zaalika yawmul wa'eed

And the trumpet shall be blown; that is the day of the threatening.