What the latecomer makes up: is it the beginning of his prayer or the end?
Machine translationRead the Arabic original
The questioner:
One rak'ah, then he completes it while the imam is still praying. Is it considered the first or the last?
The Shaykh:
In the end, he says it is the last. Whatever he prays with his imam is the first part of his prayer, and whatever he says [alone] is the last part. Yes.
One rak'ah, then he completes it while the imam is still praying. Is it considered the first or the last?
The Shaykh:
In the end, he says it is the last. Whatever he prays with his imam is the first part of his prayer, and whatever he says [alone] is the last part. Yes.
Source
شرح كتاب المنتقى من أخبار المصطفى صلى الله عليه وسلم [ الشرح الأول ]، بداية من باب من نسي التشهد الأول حتى انتصب قائما لم يرجع — islamhouse.com (1:34:20)
The Arabic text is a machine transcription of the audio recording.