Jami` at-Tirmidhi 3333
جامع الترمذي#3333SahihIbn Umar narrated that:The Messenger of Allah said: “Whoever wishes to look at the Day of Resurrection, as if he is seeing it with this eye, then let him recite: ‘When the sun Kuwwirat’ and ‘When the heaven is cleft sunder (Infatarat) and ‘When the heaven is split asunder.’”
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiIsnaad Hasan
In-book reference: 47:385