U+19F9 "᧹" Khmer Symbol Pram-Buon Roc Unicode Character

U+19F9 "᧹" Khmer Symbol Pram-Buon Roc is a special numeric symbol from the Khmer script, used in the Khmer language of Cambodia. It represents the number 28, with the name "pram-buon" meaning "five four" in Khmer, reflecting a base-10 additive counting system, and "roc" likely indicating a specific numerical or calendrical context. This symbol is part of a set of Khmer lunar calendar symbols, often employed to denote days of the lunar month or other traditional timekeeping notations, rather than general arithmetic. Its inclusion in Unicode helps preserve and digitally represent the historical and cultural practices of Khmer numeracy and astronomy.