What ⧖ means
It marked an hour in alchemical writing. Alchemy was a historical craft concerned with changing substances. Unicode lists “vertical bowtie” and “white framus” as alternate names. A 2025 Unicode proposal reproduces the simple form in a 1671 copperplate and later 18th-century tables; these examples establish use by 1671, not its invention date.
Don't confuse it with
1Questions people ask
1Why 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 ⧖
⧖\29D6Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

