Muwatta Malik 12
موطأ مالك#12SahihYahya related to me from Malik from Rabia ibn Abi Abd ar-Rahman that al Qasim ibn Muhammad said, "None of the companions that I met prayed dhuhr until well after noon,"(i.e.until when the sun had lost its fierceness)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliMauquf Sahih
In-book reference: 1:12