U+03B8 "θ" Greek Small Letter Theta Unicode Character

U+03B8 "θ" Greek Small Letter Theta is a symbol from the Greek alphabet representing the eighth letter, which has been integral to ancient and modern Greek writing. In mathematics and science, this character is widely used to denote angles in trigonometry and geometry, as well as representing the temperature variable in thermodynamics and the potential in electrostatics. It also appears in linguistics and finance, such as the theta role in syntax and the time decay measure in options trading, making it a versatile symbol across multiple disciplines.

General Properties

Code Point	U+03B8
Version Added	1.1
Name	Greek Small Letter Theta
Block	Greek and Coptic
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	θ
HTML Hex Encoding	θ
UTF-8 Encoding	0xCE 0xB8
UTF-16 Encoding	0x03B8
UTF-32 Encoding	0x000003B8
C/C++/Java Escape	\u03b8

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	"Θ" U+0398 Greek Capital Letter Theta
Simple Titlecase Code Point	"Θ" U+0398 Greek Capital Letter Theta
Uppercase Code Point	"Θ" U+0398 Greek Capital Letter Theta
Titlecase Code Point	"Θ" U+0398 Greek Capital Letter Theta
Cased	Yes
Changes When Casemapped	Yes
Changes When Titlecased	Yes
Changes When Uppercased	Yes
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	Lower