U+1A81 "᪁" Tai Tham Hora Digit One Unicode Character

U+1A81 "᪁" Tai Tham Hora Digit One is a numerical symbol used within the Tai Tham script, which is historically employed to write the Northern Thai (Lanna), Tai Lue, and Khün languages. This specific character represents the digit "one" in the Hora system, a special set of astrological or calendrical digits distinct from the standard Tai Tham numerals, and is primarily utilized in religious, divinatory, and horoscopic manuscripts rather than in everyday arithmetic. Its design typically features a curved horizontal stroke or hook, differentiating it visually from the standard Tai Tham numeral for the same value.