Surah Al-Qiyamah 75:6
يَسْـَٔلُ أَيَّانَ يَوْمُ ٱلْقِيَـٰمَةِ
He asks, "When is the Day of Resurrection?"
Translation: Saheeh International
Tafsir
He asks ‘When is the Day of Resurrection?’ — the question is meant in mockery and denial.
Excerpt from Tafsir al-Jalalayn, commentary on 75:6, via Quran.com. The reader has the full commentary and 9 more tafsirs.