Surah Al-Mutaffifin 83:6

يَوْمَ يَقُومُ ٱلنَّاسُ لِرَبِّ ٱلْعَـٰلَمِينَ

The Day when mankind will stand before the Lord of the worlds?

Translation: Saheeh International

Tafsir

a day when yawma is a substitution for the syntactical locus of li-yawmin ‘to an awful day’ and as such is in the accusative because of the verb mab‘ūthūna ‘will be resurrected’ mankind will rise from their graves before the Lord of the Worlds? the Lord of all creatures for His affair His reckoning and His requital.

Excerpt from Tafsir al-Jalalayn, commentary on 83:6, via Quran.com. The reader has the full commentary and 9 more tafsirs.