U+1D21D "𝈝" Greek Instrumental Notation Symbol-1 Unicode Character

U+1D21D "𝈝" Greek Instrumental Notation Symbol-1 is a specific sign from the ancient Greek system of instrumental notation, which was used to indicate musical pitch and rhythm for instruments such as the lyre and aulos. This character belongs to the "Ancient Greek Musical Notation" block, which encodes a series of symbols that predate modern Western staff notation and are found in surviving Greek musical manuscripts. Its design, resembling a stylized angular or curved mark, functioned as a note or a performance instruction within a larger set of signs that allowed musicians to read and execute melodies. Though rarely used in contemporary contexts, the symbol is preserved in Unicode to support scholarly research and digital publication of historical Greek music texts.

General Properties

Code Point	U+1D21D
Version Added	4.1
Name	Greek Instrumental Notation Symbol-1
Block	Ancient Greek Musical Notation
General Category	Other Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral

Encodings

HTML Decimal Encoding	𝈝
HTML Hex Encoding	𝈝
UTF-8 Encoding	0xF0 0x9D 0x88 0x9D
UTF-16 Encoding	0xD834 0xDE1D
UTF-32 Encoding	0x0001D21D
C/C++/Java Escape	\ud834\ude1d

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	Greek
Script Extensions	Greek
Indic Syllabic Category	Other
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other