U+324A "㉊" Circled Number Thirty on Black Square Unicode Character
Unicode Version 17.0
㉊
U+324A "㉊" Circled Number Thirty on Black Square is a specialized ideographic symbol used primarily in East Asian contexts, particularly within Japanese and Chinese writing systems, to denote the number thirty enclosed inside a black square with a surrounding circle. It belongs to the Enclosed CJK Letters and Months block and serves as a visual shorthand for indicating the thirtieth item in a sequence, such as on calendars, schedules, list-based documents, or signage. Its design combines clear numeric utility with compact formatting, making it suitable for applications where space is limited and quick numerical identification is needed.
General Properties
| Code Point | U+324A |
| Version Added | 5.2 |
| Name | Circled Number Thirty on Black Square |
| Block | Enclosed CJK Letters and Months |
| General Category | Other Number |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
Encodings
| HTML Decimal Encoding | ㉊ |
| HTML Hex Encoding | ㉊ |
| UTF-8 Encoding | 0xE3 0x89 0x8A |
| UTF-16 Encoding | 0x324A |
| UTF-32 Encoding | 0x0000324A |
| C/C++/Java Escape | \u324a |