Hadith 4821
Narrated Abu Hurairah: Abul Qasim ﷺ said: When one of you is in the sun (Shams)--Makhlad's version has "fay"--and the shadow withdraws from him so that he is partly in sun and partly in shade, he should get up.
Hadith 4822
حَدَّثَنَا
مُسَدَّدٌ ، حَدَّثَنَا
يَحْيَى ، عَنْ
إِسْمَاعِيل ، قَالَ : حَدَّثَنِي
قَيْسٌ ، عَنْ
أَبِيهِ ، " أَنَّهُ جَاءَ وَرَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَخْطُبُ ، فَقَامَ فِي الشَّمْسِ ، فَأَمَرَ بِهِ ، فَحُوِّلَ إِلَى الظِّلِّ " .
Qais quoted his father as saying that he (his father) came when the Messenger of Allah ﷺ was addressing. He stood in the sun. He ordered him (to shift) and he shifted to the shade.