question #3 Sahih Muslim 705f, Book 6, Hadith 66 : What can be learned from the practice of the Prophet (ﷺ) regarding the flexibility of prayer times?

Ibn ‘Abbas reported that the Messenger of Allah (ﷺ) observed in Medina seven (rak’ahs) and eight (rak’ahs), i. e. (be combined) the noon and afternoon prayers (eight rak’ahs) and the sunset and ‘Isha’ prayers (seven rak’ahs).