‏الصلاة : Hadeeth No:1284 Abu Huraira reported: The Messenger of Allaah (sallAllaahu alayhi wa sallam) said: When it is a hot day, (delay) the prayer till the extreme heat passes away, for the intensity of heat is from the exhalation of Hell....

‏الذكر والدعاء والتوبة والاستغفار‏ : Hadeeth No:6555 This hadith has been narrated on the authority of Ubaidullah b. Umar with the same chain of transmitters and he said: Then utter:" My Lord. with Thine name I place my side and if Thou keepest me alive have mercy upon myself"...