It wasnarrated that Abu Qatadah said:
"The Messenger of Allah (ﷺ)usedto lead us in prayer, and he would lengthen the first Rak'ah oftheZuhr and shorten the second Rak'ah, and he would do likewise intheSubh." (TH)
English reference (TH): Vol. 1, Book 5, Hadith 819 (TH)
Arabic reference (TH): Book 5, Hadith 868 (TH)