“Good men among whom was ‘Umar
bin Khattab, and the best of them in my view is ‘Umar, testified
before me that the Messenger of Allah (ﷺ) said: ‘There is no
prayer
after Fajr until the sun has risen, and there is no prayer
after the
‘Asr until the sun has set.’”
Sunan Ibn Majah Book 5, Hadith 448