U+19F7 "᧷" Khmer Symbol Pram-Pii Roc Unicode Character

U+19F7 "᧷" Khmer Symbol Pram-Pii Roc is a numeral symbol within the Khmer script block used in traditional Khmer lunar calendar notation, specifically representing the number 57 (pram-pii translates to "five two" in Khmer, with "roc" indicating a particular numerical series). It is employed in astrological and calendrical contexts to denote days within a lunar cycle rather than for general arithmetic counting, forming part of a specialized system where such symbols accompany inscriptions on religious manuscripts or stone carvings. Its design resembles a stylized combination of Khmer digit forms, preserved for historical and academic documentation to maintain the integrity of ancient Khmer numerical traditions.