The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 1282
Abu Huraira reported that the Messenger of Allah (may peace he upon him) said: When it is very hot, say (the noon prayer) when the extreme beat passes away, for intensity of beat is from the exhalation of Hell.
Source materials are from the University of Southern California MSA site|
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