U+0430 "а" Cyrillic Small Letter A Unicode Character

U+0430 "а" Cyrillic Small Letter A is a lowercase letter used in the Cyrillic script, representing the vowel sound /a/ in languages such as Russian, Ukrainian, and Bulgarian. It is visually identical to the Latin lowercase letter "a" but is encoded separately to maintain distinct scripts, preventing confusion in digital text processing. This character is part of the Cyrillic block in Unicode, which was added to support the writing systems of Slavic and other languages influenced by the Cyrillic alphabet. Its typographic form may vary across fonts, but it consistently serves the same phonetic function across Cyrillic-based orthographies.

General Properties

Code Point	U+0430
Version Added	1.1
Name	Cyrillic Small Letter A
Block	Cyrillic
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	а
HTML Hex Encoding	а
UTF-8 Encoding	0xD0 0xB0
UTF-16 Encoding	0x0430
UTF-32 Encoding	0x00000430
C/C++/Java Escape	\u0430

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
East Asian Width	Ambiguous
Lowercase	Yes
Simple Uppercase Code Point	"А" U+0410 Cyrillic Capital Letter A
Simple Titlecase Code Point	"А" U+0410 Cyrillic Capital Letter A
Uppercase Code Point	"А" U+0410 Cyrillic Capital Letter A
Titlecase Code Point	"А" U+0410 Cyrillic Capital Letter A
Cased	Yes
Changes When Casemapped	Yes
Changes When Titlecased	Yes
Changes When Uppercased	Yes
Script	Cyrillic
Script Extensions	Cyrillic
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	Lower