U+3359 "㍙" Ideographic Telegraph Symbol for Hour One Unicode Character
Unicode Version 17.0
㍙
U+3359 "㍙" Ideographic Telegraph Symbol for Hour One is a specific code point within the CJK Compatibility block, designed to represent the time "1:00" in the context of historical Japanese telegraph and telecommunication systems. It is a precomposed form that combines the numeral for one and the character for hour, streamlining the encoding of time data for efficient transmission. This symbol belongs to a larger set of twenty four such characters, one for each hour of the day, which were standardized for use in coded messaging where brevity and precision were essential.
General Properties
| Code Point | U+3359 |
| Version Added | 1.1 |
| Name | Ideographic Telegraph Symbol for Hour One |
| Block | CJK Compatibility |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Compat |
| Decomposition Mapping | "1" U+0031 Digit One "点" U+70B9 CJK Unified Ideograph-# |
Encodings
| HTML Decimal Encoding | ㍙ |
| HTML Hex Encoding | ㍙ |
| UTF-8 Encoding | 0xE3 0x8D 0x99 |
| UTF-16 Encoding | 0x3359 |
| UTF-32 Encoding | 0x00003359 |
| C/C++/Java Escape | \u3359 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| East Asian Width | Wide |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "1" U+0031 Digit One "点" U+70B9 CJK Unified Ideograph-# |
| NFKC Simple Casefold | "1" U+0031 Digit One "点" U+70B9 CJK Unified Ideograph-# |
| Script | Common |
| Script Extensions | Han |
| Indic Syllabic Category | Other |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |