وَنُفِخَ فِي الصُّورِ ذَلِكَ يَوْمُ الْوَعِيدِ
And the Trumpet will be blown: ‘This is the promised day.’
Agha Ali Puya Commentary
Commentary on Quran 50:20
[Pooya/Ali Commentary 50:20] The next stage will be the judgement, heralded with the blowing of the trumpet. See commentary of Anam: 74; Ya Sin: 51 and Zumar :68.