(51) باب الأَوْقَاتِ الَّتِي نُهِيَ عَنِ الصَّلاَةِ، فِيهَا .
Abu Sa'id al-Khudri reported Allah's Messenger (ﷺ) as saying:
No prayer is valid after the 'Asr prayer till the sun sets and no prayer is valid after the dawn prayer till the sun rises. (PT)
Reference (PT): Sahih Muslim 827 (PT)
In-book reference (PT): Book 6, Hadith 351 (PT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 1805 (PT)