(6) باب الْجَمْعِ بَيْنَ الصَّلاَتَيْنِ فِي الْحَضَرِ
Ibn 'Abbas reported:
The Messenger of Allah (ﷺ) observed the noon and afternoon prayers together, and the sunset and Isha' prayers together without being in a state of fear or in a state of journey.
Reference: Sahih Muslim 705 a
In-book reference: Book 6, Hadith 59
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1515