Code point
U+33EC
Glyph appearance depends on your fonts.
U+33EC
So<compat> 0031 0033 65E5U+33EC IDEOGRAPHIC TELEGRAPH SYMBOL FOR DAY THIRTEEN is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the CJK Compatibility block.
Choose the representation you need, then copy its value.
U+33EC
13292
㏬
㏬
E3 8F AC
33EC
000033EC
%E3%8F%AC
\u33EC
\u33EC
\u33EC
\33EC