Surah Ar-Rum 30:14

وَيَوْمَ تَقُومُ ٱلسَّاعَةُ يَوْمَئِذٍ يَتَفَرَّقُونَ

And the Day the Hour appears - that Day they will become separated.

Translation: Saheeh International

Tafsir

And on the Day when the Hour comes that day yawma’idhin is repeated for emphasis they believers and disbelievers shall be separated.

Excerpt from Tafsir al-Jalalayn, commentary on 30:14, via Quran.com. The reader has the full commentary and 9 more tafsirs.