U+1D461 "𝑡" Mathematical Italic Small T Unicode Character

U+1D461 "𝑡" Mathematical Italic Small T is a glyph from the Mathematical Alphanumeric Symbols block, intended specifically for use in mathematical and scientific notation where a slanted italic form of the lowercase letter t is required to distinguish it from ordinary text. It is commonly used to represent variables such as time, temperature, or a parameter in mathematical expressions, and its design typically mirrors a standard serif italic t, such as Times New Roman, to integrate seamlessly with mathematical typesetting in documents and online content. Unicode adds this character to avoid ambiguity between a semantic variable and a default text character, ensuring consistent rendering across different fonts and platforms.

General Properties

Code Point	U+1D461
Version Added	3.1
Name	Mathematical Italic Small T
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"t" U+0074 Latin Small Letter T

Encodings

HTML Decimal Encoding	𝑡
HTML Hex Encoding	𝑡
UTF-8 Encoding	0xF0 0x9D 0x91 0xA1
UTF-16 Encoding	0xD835 0xDC61
UTF-32 Encoding	0x0001D461
C/C++/Java Escape	\ud835\udc61

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"t" U+0074 Latin Small Letter T
NFKC Simple Casefold	"t" U+0074 Latin Small Letter T
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Math	Yes
Other Math	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Lower