Abu Hurairah narrated that : Allah's Messenger said: "In very hot weather, delay the (Zuhr) prayer until it becomes (a bit) cooler, because the severity of heat is from the raging of the Hell"
SahihSahihHasan SahihBook 2 · Hadith 9
جامع الترمذي
Abu Hurairah narrated that : Allah's Messenger said: "In very hot weather, delay the (Zuhr) prayer until it becomes (a bit) cooler, because the severity of heat is from the raging of the Hell"