I was sitting behind the Messenger of Allah ﷺ who was riding a donkey while the sun was setting. He asked: Do you know where this sets ? I replied: Allah and his Apostle know best. He said: It sets in a spring of warm water (Hamiyah).
كُنْتُ رَدِيفَ رَسُولِ اللَّهِ ﷺ وَهُوَ عَلَى حِمَارٍ وَالشَّمْسُ عِنْدَ غُرُوبِهَا فَقَالَ هَلْ تَدْرِي أَيْنَ تَغْرُبُ هَذِهِ قُلْتُ اللَّهُ وَرَسُولُهُ أَعْلَمُ قَالَ فَإِنَّهَا تَغْرُبُ فِي عَيْنِ حَامِيَةٍ