وَتَأْخِيرُ الْعَصْرِ مَا لَمْ تَتَغَيَّرِ الشَّمْسُ، وَتَعْجِيلُ الْمَغْرِبِ
Asr is normally delayed while the sun remains bright and unchanged; delaying to yellowing is not preferred. Maghrib is normally hastened after sunset. Unnecessary delay until many stars become prominent is disliked.