Sunan an-Nasa'i 1758
سنن النسائي#1758SahihIt was narrated from Ibrahim bin Muhammad that:He heard his father narrating that he heard Aishah say: "The Messenger of Allah (ﷺ) would not omit four rak'ahs before Zuhr and two rak'ahs before Fajr
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 20:161