U+29D7 "⧗" Black Hourglass Unicode Character
Unicode Version 17.0
⧗
U+29D7 "⧗" Black Hourglass is a typographic symbol representing an hourglass shape filled with black, typically used in mathematical notation or as an ornamental graphic to denote the passage of time, completion, or a state of transition, though it lacks a widely standardized semantic meaning and instead relies on contextual application in specialized fields such as logic, diagramming, or clock symbolism.
General Properties
| Code Point | U+29D7 |
| Version Added | 3.2 |
| Name | Black Hourglass |
| Block | Miscellaneous Mathematical Symbols-B |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
Encodings
| HTML Decimal Encoding | ⧗ |
| HTML Hex Encoding | ⧗ |
| UTF-8 Encoding | 0xE2 0xA7 0x97 |
| UTF-16 Encoding | 0x29D7 |
| UTF-32 Encoding | 0x000029D7 |
| C/C++/Java Escape | \u29d7 |
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 |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |