(188) Chapter: Excellence of the Morning (Fajr) and 'Asr Prayers

Buraidahu (May Allah be pleased with him) reported:
The Messenger of Allah (ﷺ) said, "He who misses the 'Asr Salat (deliberately), his deeds will be rendered nul and void."

[Al- Bukhari].

Commentary: It is a serious sin to miss any of the prescribed Salat deliberately. Some people regard it even an act of Kufr. But the willful omission of `Asr prayer is one of the most serious sins. Its omission nullifies one's good deeds. Observing this Salat is, therefore, highly essential.