Code point
U+3358
Glyph appearance depends on your fonts.
U+3358
So<compat> 0030 70B9U+3358 IDEOGRAPHIC TELEGRAPH SYMBOL FOR HOUR ZERO 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+3358
13144
㍘
㍘
E3 8D 98
3358
00003358
%E3%8D%98
\u3358
\u3358
\u3358
\3358