Surah Al-Waqi'ah 56:50
لَمَجْمُوعُونَ إِلَىٰ مِيقَـٰتِ يَوْمٍ مَّعْلُومٍ
Are to be gathered together for the appointment of a known Day."
Translation: Saheeh International
Tafsir
will be gathered for the tryst the time of a known day that is the Day of Resurrection.
Excerpt from Tafsir al-Jalalayn, commentary on 56:50, via Quran.com. The reader has the full commentary and 9 more tafsirs.