(5) باب فِي وَقْتِ صَلاَةِ الْعَصْرِ
Al-Awza'i said:
Delaying the 'Asr prayer means that the sunshine becomes yellow on the earth.
Reference: Sunan Abi Dawud 415
In-book reference: Book 2, Hadith 25
English translation: Book 2, Hadith 415