أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " لاَ يَتَحَرَّ أَحَدُكُمْ فَيُصَلِّيَ عِنْدَ طُلُوعِ الشَّمْسِ وَعِنْدَ غُرُوبِهَا " .
It was narrated from Ibn 'Umar that the Messenger of Allah (PBUH) said: "No one of you should deliberately try to pray when the sun is rising, or when it is setting." Translation Not Available
Book Ref: Sunan An Nisai Book 6 Hadith 568
Web Ref: Sunan An Nisai Vol 1 Book 6 Hadith 564