It is narrated from Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "When any one of you is in the shade, then the (shade) moves away from him and part of his body is in the sun and part in the shade, then he should get up (from there)." Hasan, narrated by Abu Dawood.
Hadith Referenceمشكوة المصابيح / كتاب الآداب / 4725
Hadith Gradingالألبانی:ضَعِيف | زبیر علی زئی:حسن
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «حسن، رواه أبو داود (4821)»