Chapter: The Time Of The Zuhr Prayer
It was narrated from Jabir bin Samurah that: The Prophet used to pray Zuhr when the sun had passed its zenith.
It was narrated that Abu Barzah Al-Aslami said: The Prophet used to pray the Hajir prayer, which you call 'Zuhr', when the sun had passed its zenith.
It was narrated that Khabbab said: We complained to the Messenger of Allah about the heat of the sunbaked ground, but he did not respond to our complaint. (Sahih)Another chain with similar wording
It was narrated that 'Abdullah bin Mas'ud said: We complained to the Messenger of Allah about the heat of the sunbaked ground, but he did not respond to our complaint.