Al-Haqqa ('The Inevitable Reality'), 52 Meccan verses, evokes the catastrophes that overtook Ad and Thamud and pictures the Day when deeds are handed to the right or the left and the record is read aloud. It affirms the Quran as the speech of a noble messenger, not a poet or soothsayer. The surah's name, al-Haqqa, 'the Inevitable Reality,' is one of several Quranic titles classical philologists trace to a technical vocabulary of certainty the Quran develops specifically for the Last Day, alongside al-Waqia and al-Qaria, near-synonyms that nonetheless each carry a distinct nuance, haqqa emphasising the event's sheer factual truth against those who deny it. Its account of the record handed to the right hand or behind the back (69:19-25) supplies the Quran's clearest single statement of the two-sided ledger imagery that recurs, in varied wording, across several of the shorter eschatological surahs.
Classical commentators connect the surah's account of Thamud being destroyed by 'a shattering blast' and Ad by a ferocious, sustained wind (69:4-8) with the parallel, sometimes more detailed, accounts of the same two peoples told elsewhere in the Quran, treating the variation in narrative emphasis across surahs as complementary rather than contradictory retellings suited to each surah's own rhetorical purpose. The surah's image of the earth and mountains being crushed to powder in a single blow (69:14) is among the more physically vivid single verses classical tafsir cites when discussing the Quran's cosmological language of the world's final unmaking.