Sunan An-Nasa'i
Hadith #498
Hamzah Al-'A'idhi said:""I heard Anas bin Malik say: 'When the Prophet (ﷺ) halted, he would not move on until he had prayed Zuhr.' A man said: 'Even if it was the middle of the day?' He said: 'Even if it was the middle of the day