Of Which Juz' Is Surah al-Fatiha a Part?

Question

Is Surah al-Fatiha part of the first juz', or of the thirtieth juz'? If it is part of the first juz', why is 'Ruku' No. 2' not written at the first ruku' of Surah al-Baqara? And if it is part of the thirtieth juz', then since when and why did the practice begin of writing it at the beginning of the first juz'? Please explain, and be rewarded.

Answer

This determination of the [boundaries of the] juz' is not mentioned in the hadiths; it was made by scholars of a later period. It is not even known who exactly made this determination, or on what basis it was made, since one juz' is shorter, another longer; some begin at a point where a discourse continuing from before has not yet been completed, while the next juz' has…

Source: Fatawa Mahmudiyya

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