Code point
U+3304
Glyph appearance depends on your fonts.
U+3304
So<square> 30A4 30CB 30F3 30B0U+3304 SQUARE ININGU 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+3304
13060
㌄
㌄
E3 8C 84
3304
00003304
%E3%8C%84
\u3304
\u3304
\u3304
\3304