Abu Qasim ﷺ said, "When one of you is in the sun," and Makhlad said, "in the shade, and the shade recedes from him so that part of him is in the sun and part in the shade, let him get up."
حدثنا ابن السرح ومخلد بن خالد قالا حدثنا سفيان عن محمد بن المنكدر قال حدثني من سمع
قال أبو القاسم ﷺ إذا كان أحدكم في الشمس وقال مخلد في الفيء فقلص عنه الظل وصار بعضه في الشمس وبعضه في الظل فليقم
No references are available.
[Hasan] * its chain of transmission is daif, but the hadith has a corroborating narration in Ibn Majah, h. (3722), whose chain of transmission is hasan, and the hadith has other versions in Humaydi, h. 1145 (in my edition), and Ahmad, 2/383, and others.