I saw the Messenger of Allah ﷺ gesture with his fingers like this, with his middle finger and the one next to the thumb, saying, "I have been sent, and the Hour is like these two."
رأيت رسول الله ﷺ قال بأصبعه هكذا، بالوسطى والتي تلي الإبهام: بعثت والساعة كهاتين.
Bukhari narrated it in the tafsir (4936) from Ahmad bin Miqdam, who said, Fudayl bin Sulayman narrated to us, who said, Abu Hazim narrated to us, who said, Sahl bin Saad narrated to us and said, then he related it.Muslim narrated it in the Fitan (2950) through another route from Abu Hazim, with similar wording.