51:12

يَسْأَلُونَ أَيَّانَ يَوْمُ الدِّينِ

Transliteration:

Yas-aloona ayyana yawmu alddeeni

Word by Word:

They ask, "When (is the) Day (of) Judgment?"

Translations:

they who [mockingly] ask, When is that Day of Judgment to be?"

They ask, "When will be the Day of Judgment and Justice?"

They ask: When is the Day of Judgment?

They ask: When is the day of Judgment?

They ask, "When is the Day of Recompense?"