Represents a valid Rub al-Hizb (quarter of a Hizb) identifier. The value must be a number between 1 and 240 (consistent across all riwayas). Uses 1-based indexing where 1 is the first rub al-hizb.
Represents a valid Rub al-Hizb (quarter of a Hizb) identifier. The value must be a number between 1 and 240 (consistent across all riwayas). Uses 1-based indexing where 1 is the first rub al-hizb.