How does one catch the opening takbir?
Machine translationRead the Arabic original
Question:
How does one catch the opening takbir?
Answer:
One catches the opening takbir by catching it with the imam. If the imam says the takbir and you say it after him, you have caught the opening takbir with the imam. However, if the imam says the takbir and you do not arrive until some time after it, you have not caught the opening takbir with the imam. But you say the opening takbir for yourself. As for the imam's takbir, you have missed it.
How does one catch the opening takbir?
Answer:
One catches the opening takbir by catching it with the imam. If the imam says the takbir and you say it after him, you have caught the opening takbir with the imam. However, if the imam says the takbir and you do not arrive until some time after it, you have not caught the opening takbir with the imam. But you say the opening takbir for yourself. As for the imam's takbir, you have missed it.
Source
قناة «العلامة الدكتور صالح الفوزان»، بمَ تُدرك تكبيرة الإحرام؟ #فتاوى الفوزان — youtube.com
The Arabic text is a machine transcription of the audio recording.