U+30C9 "ド" Katakana Letter Do Unicode Character
Unicode Version 17.0
ド
U+30C9 "ド" Katakana Letter Do is a Japanese katakana character used primarily in the modern writing system to represent the syllable "do," which is the voiced counterpart of the character ト (to). It is formed by adding a dakuten, or voicing mark, to the base katakana character ト, and is commonly employed in writing foreign loanwords, onomatopoeia, and scientific or technical terms in Japanese. In Unicode, it belongs to the Katakana block and has a standard encoding of U+30C9, making it accessible for digital text representation across various platforms and languages.
General Properties
| Code Point | U+30C9 |
| Version Added | 1.1 |
| Name | Katakana Letter Do |
| Block | Katakana |
| General Category | Other Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "ト" U+30C8 Katakana Letter To "゙" U+3099 Combining Katakana-Hiragana Voiced Sound Mark |
Encodings
| HTML Decimal Encoding | ド |
| HTML Hex Encoding | ド |
| UTF-8 Encoding | 0xE3 0x83 0x89 |
| UTF-16 Encoding | 0x30C9 |
| UTF-32 Encoding | 0x000030C9 |
| C/C++/Java Escape | \u30c9 |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| East Asian Width | Wide |
| Script | Katakana |
| Script Extensions | Katakana |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Katakana |
| Sentence Break | OLetter |