GlyphIndexExample notation
τ = 4 s
The unit and local definition make this a time-interval label.
Greek tau
Greek tau is Τ in uppercase and τ in lowercase. Capital Τ and Latin T are different characters.
GREEK CAPITAL LETTER TAU
Appearance can vary by font.
Character details
♡→✦
3 code pointsMeaning and context
Greek tau is Τ in uppercase and τ in lowercase. Capital Τ and Latin T are different characters.
How to use it
The sample uses τ for a time interval of 4 s. Keep the quantity and unit visible when introducing the notation.
Examples
Uppercase and lowercase
Τ U+03A4 / τ U+03C4
Uppercase and lowercase use different code points. Copy the case you need.
Similar shapes, different characters
Compare the lookalike
U+0054Greek capital tau is different from Latin T.
Greek small tau
U+03C4Copy the lowercase letter when that is the case used in the source material.
Sources and method
- Unicode 18.0.0 character database — Pinned standard character identities and properties; the application computes UTF encodings from the original text.
- Unicode normalization forms (Unicode 18.0.0)