Hadith #2983 (Jami' al-Tirmidhi)
Book: Chapters on Tafsir
Narrator(s): Ali bin Salah al-Mky علي بن صالح المكي, ibn Umar, Ma'mar bin Suliaman معمر بن سليمان النخعي, Nafie' نافع مولى ابن عمر

“The Prophet of Allah (ﷺ) said: ‘The middle Salat is Salat Al-‘Asr.'”

Source: https://parallelquran.com/hadith/jami-al-tirmidhi-2983/