Musnad Ahmad 27:492

Ibrahim ibn Khalid narrated to us, Abdullah ibn Buhayr narrated to us, from Abd al-Rahman ibn Yazid—and he was from the people of Sana'a, and he was more knowledgeable regarding the lawful and the unlawful than Wahb, meaning Ibn Munabbih—he said: I heard Ibn Umar saying: The Messenger of Allah, peace and blessings of Allah be upon him, said: "Whoever wishes to look at the Day of Resurrection, let him read: 'When the sun is wrapped up [Idha al-shamsu kuwwirat].'"