Sunan an-Nasa'i #601 · The Book of the Times (of Prayer)

Sunan an-Nasa'iIt was narrated that Ibn 'Abbas said
Sunan an-Nasa'i · Book 6 · The Book of the Times (of Prayer)
Sunan an-Nasa'i · كتاب 6 · كتاب مواقيت الصلاة
"The Messenger of Allah (ﷺ) prayed Zuhr and 'Asr together, and Maghrib and 'Isha' together, when there was no fear and he was not traveling
أَخْبَرَنَا قُتَيْبَةُ، عَنْ مَالِكٍ، عَنْ أَبِي الزُّبَيْرِ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ صَلَّى رَسُولُ اللَّهِ صلى الله عليه وسلم الظُّهْرَ وَالْعَصْرَ جَمِيعًا وَالْمَغْرِبَ وَالْعِشَاءَ جَمِيعًا مِنْ غَيْرِ خَوْفٍ وَلاَ سَفَرٍ ‏.‏
Reference : Sunan an-Nasa'i 601In-book reference : Book 6, Hadith 108