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⦡

spherical angle opening up

Spherical angle opening up

34/128

⦡ is a math sign for an angle measured on a sphere’s curved surface, with the opening facing up. It is related to , named simply for a spherical angle, and , whose opening faces left.

Text symbol

What ⦡ means

⦡ is the spherical angle opening up. Unicode classifies it as a mathematical symbol and files it in the Miscellaneous Mathematical Symbols-B block; this site shelves it under Maths.

Its appearance depends on the font and text styling.

How it is encoded

⦡ is a single code point, U29A1. In HTML that is ⦡, and in CSS \29A1.

Questions people ask

1

Why does ⦡ show as a box on some devices?

Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.

How to type or find ⦡

Search it as
spherical angle opening up symbol · spherical angle opening up copy paste
Shows up in
Anything that takes text · its shape is whatever your font draws
Windows (Word)
⎇Alt+XType 29A1, then AltX to get ⦡.
Windows
⊞Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win .).
macOS
⌃Control+⌘Command+␣SpaceOpen the character viewer and search “spherical angle opening up”.
Linux
⎈Ctrl+⇧Shift+UType 29a1, then Enter or Space.
HTML
⦡
CSS
\29A1
Codes and encoding1 code points
HTML decimal
⦡
HTML hex
⦡
CSS content
content: "\29A1";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%A6%A1
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

1

Maths & numbers1,835 symbols