Zaid bin Arqam, on seeing some people praying in the forenoon, said: They well know that prayer at another time than this is more excellent, for Allah's Messenger (ﷺ) said: The prayer of those who are penitent is observed when your weaned camels feel the heat of the sun.
Hadith Referenceصحيح مسلم / كتاب صلاة المسافرين وقصرها / 748
Zaid bin Arqam reported that the Messenger of Allah (ﷺ) went out to the people of Quba' and saw them observing prayer; upon this he said: The prayer of the penitent should be observed when the young weaned camels feel heat of the sun.
Hadith Referenceصحيح مسلم / كتاب صلاة المسافرين وقصرها / 748