U+21D9 "⇙" South West Double Arrow Unicode Character
Unicode Version 17.0
⇙
U+21D9 "⇙" South West Double Arrow is a typographic symbol that represents a double lined arrow pointing diagonally down and to the left, typically used in mathematical notation, diagrams, or technical documentation to indicate a relationship, direction, or a logical flow of information toward the southwest quadrant. It belongs to the Arrows block in Unicode, which includes a variety of arrow symbols for representing movement, mapping, or logical implications, and its design consists of two parallel arrowheads that suggest a stronger or bidirectional conceptual link compared to a single line arrow.
General Properties
| Code Point | U+21D9 |
| Version Added | 1.1 |
| Name | South West Double Arrow |
| Unicode 1.0 Name | Lower Left Double Arrow |
| Block | Arrows |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⇙ |
| HTML Hex Encoding | ⇙ |
| UTF-8 Encoding | 0xE2 0x87 0x99 |
| UTF-16 Encoding | 0x21D9 |
| UTF-32 Encoding | 0x000021D9 |
| C/C++/Java Escape | \u21d9 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Script | Common |
| Script Extensions | Common |
| Indic Syllabic Category | Other |
| Pattern Syntax | Yes |
| Math | Yes |
| Other Math | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |