U+1FB9 "Ᾱ" Greek Capital Letter Alpha with Macron Unicode Character
Unicode Version 17.0
Ᾱ
U+1FB9 "Ᾱ" Greek Capital Letter Alpha with Macron is a precomposed character used in the polytonic orthography of ancient Greek, representing the long vowel alpha with a macron diacritic placed above it to indicate its extended pronunciation. This character is part of the Greek Extended block, which adds accents and breathing marks to standard Greek letters to support historical and scholarly texts. In digital typography, U+1FB9 allows writers and philologists to accurately transcribe classical Greek where vowel length is semantically significant, distinguishing it from the standard Greek alpha (Α) or the alpha with a breve.
General Properties
| Code Point | U+1FB9 |
| Version Added | 1.1 |
| Name | Greek Capital Letter Alpha with Macron |
| Block | Greek Extended |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "Α" U+0391 Greek Capital Letter Alpha "̄" U+0304 Combining Macron |
Encodings
| HTML Decimal Encoding | Ᾱ |
| HTML Hex Encoding | Ᾱ |
| UTF-8 Encoding | 0xE1 0xBE 0xB9 |
| UTF-16 Encoding | 0x1FB9 |
| UTF-32 Encoding | 0x00001FB9 |
| C/C++/Java Escape | \u1fb9 |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Simple Lowercase Code Point | "ᾱ" U+1FB1 Greek Small Letter Alpha with Macron |
| Lowercase Code Point | "ᾱ" U+1FB1 Greek Small Letter Alpha with Macron |
| Simple Case Folding | "ᾱ" U+1FB1 Greek Small Letter Alpha with Macron |
| Case Folding | "ᾱ" U+1FB1 Greek Small Letter Alpha with Macron |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ᾱ" U+1FB1 Greek Small Letter Alpha with Macron |
| NFKC Simple Casefold | "ᾱ" U+1FB1 Greek Small Letter Alpha with Macron |
| Script | Greek |
| Script Extensions | Greek |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |