Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
ahmad:15421Bahz And ʿAffān > Hammām

[Machine] Translation: "A man from the companions of the Prophet (PBUH) narrated that the Prophet (PBUH) forbade sitting between the sun and the shade, and he said, 'Satan's sitting place is there.'"  

أحمد:١٥٤٢١حَدَّثَنَا بَهْزٌ وَعَفَّانُ قَالَا حَدَّثَنَا هَمَّامٌ قَالَ عَفَّانُ فِي حَدِيثِهِ حَدَّثَنَا قَتَادَةُ عَنْ كَثِيرٍ عَنْ أَبِي عِيَاضٍ

عَنْ رَجُلٍ مِنْ أَصْحَابِ النَّبِيِّ ﷺ أَنَّ النَّبِيَّ ﷺ نَهَى أَنْ يُجْلَسَ بَيْنَ الضِّحِّ وَالظِّلِّ وَقَالَ مَجْلِسُ الشَّيْطَانِ