Block: Khmer Symbols

Range U+19E0 - U+19FF
Official Chart http://www.unicode.org/charts/PDF/U19E0.pdf
Wikipedia Khmer Symbols is a Unicode block containing lunar date symbols, used in the writing system of the Khmer (Cambodian) language. For further details see Khmer alphabet – Unicode.
https://en.wikipedia.org/wiki/Khmer_Symbols
Characters
᧿