As-Saffat 37:21

<h2>The Day of Recompense</h2><p>Allah tells us what the disbeliever will say on the Day of Resurrection, how they will blame themselves and admit that they wronged themselves in this world. When they see the horrors of the Day of Resurrection with their own eyes, they will be filled with regret at the time when regret will not avail them anything.</p><div class="arabic uthmani">وَقَالُواْ يوَيْلَنَا هَـذَا يَوْمُ الدِّينِ </div><p>(They will say: "Woe to us! This is the Day of Recompense!") And the angels and the believers will say:</p><div class="arabic uthmani">هَـذَا يَوْمُ الْفَصْلِ الَّذِى كُنتُمْ بِهِ تُكَذِّبُونَ </div><p>(This is the Day of Judgement which you used to deny.) This will be said to them as a rebuke and reproof. Allah will command the angels to separate the disbeliever from the believers in the place where they are standing. Allah says:</p><div class="arabic uthmani">احْشُرُواْ الَّذِينَ ظَلَمُواْ وَأَزْوَجَهُمْ</div><p>((It will be said to the angels:) Assemble those who did wrong, together with their companions) An-Nu`man bin Bashir, may Allah be pleased with him, said, "Their companions means their counterparts, those who are like them." This was also the view of Ibn `Abbas, Sa`id bin Jubayr, `Ikrimah, Mujahid, As-Suddi, Abu Salih, Abu Al-`Aliyah and Zayd bin Aslam." Sharik …

This is the Day of Separation, which ye used to deny.

(A voice will say,) "This is the Day of Sorting Out, whose truth ye (once) denied!"

(It will be said): "This is the Day of Judgement which you used to deny."

“This is the Day of Separation which you used to deny.