Answered by Shaykh Faraz Rabbani
At what time does Zohr prayer starts and at what time dose it become Kaza(qada). Similarly could you advise for other prayers?
Answer:
Walaikum assalam wa rahmatullah,
Each prayer time begins at the time mentioned as the beginning time on reliable prayer calendars, and ends when the some goes out. And some prayers have disliked times–and it is disliked (and sometimes sinful) to delay one’s prayer till these times, though the obligation to pray within the time still remains. [ Ibn Abidin, Radd al-Muhtar ]
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Faraz Rabbani