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What a Juz Is, and Why the Quran Has 30
The juz is a division of length, not of meaning — it exists so the Quran can be read evenly over a month.
What is a juz in the Quran?
A juz is one of thirty roughly equal parts the Quran is divided into. The division is by length rather than by subject, so a juz often begins and ends mid-surah. Its purpose is practical: reading one juz a day completes the Quran in a month, which is how many people read it through Ramadan.
How the divisions relate
The 30 juz sit alongside other divisions of the same text. Each juz splits into two hizb, and each hizb into four quarters, giving 240 hizb quarters in total. Separately the text is divided into 604 pages in the standard mushaf, and into 7 manzil for reading over a week. These are all ways of measuring the same text, not different arrangements of it.
Why a juz starts mid-surah
Because the division is by quantity. Juz 1 ends partway through Al-Baqarah, at verse 141, simply because that is where the first thirtieth falls. Only Juz 30 aligns closely with surah boundaries, since the surahs there are short.
Juz Amma
The thirtieth juz is widely called Juz Amma, after the first words of Surah An-Naba that open it. It contains 37 short surahs and is usually the first part memorised, because the surahs in it are brief and are the ones most often recited in prayer.
Common questions
How many pages is one juz?
About 20 pages of the standard 604-page mushaf, though it varies slightly.
Is a juz the same as a para?
Yes. Para is the Urdu and Persian word for the same division, used across South Asia.
Which juz should I start with?
Juz 30 is the usual starting point for memorisation, because its surahs are short and frequently recited.
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