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冬

cjk compatibility ideograph-2f81a

Winter compatibility form

27/542

冬 reads as “winter,” like 冬, but keeps its source-code entry from Taiwan’s CNS 11643-1992 encoding (T6-223C). It is not a different word.

Text symbol

What 冬 means

Read it as “winter,” the season.

Oracle-bone records—divination texts carved on bones or shells—use an older 冬 graph for “end”; one account sees a cord tied at both ends. Winter grew from that sense as the year’s final season. Warring States bronze inscriptions add 日 (“day”) for its seasonal use.

Why does 冬 change into 冬?

Normalization maps it to 冬.

NFC can change 冬 to 冬. The standardized sequence 冬︀ (U+51AC U+FE00) preserves the distinct glyph through normalization where fonts and software support it.

A legacy encoding form, not everyday writing.

For winter, use 冬; normalization can turn 冬 into it.

Who writes 冬

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Questions people ask

1

Why does 冬 show as a box on some devices?

Not every system ships a font for the CJK Compatibility Ideographs Supplement block. Where none is installed, the character shows as an empty box; adding a font such as Noto fixes it. The character itself is still correct and copies correctly.

How to type or find 冬

Search it as
winter · cns11643 · t6-223c · html entity
Shows up in
Anything that takes text · its shape is whatever your font draws
Windows (Word)
⎇Alt+XType 2F81A, then AltX to get 冬.
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 “cjk compatibility ideograph-2f81a”.
Linux
⎈Ctrl+⇧Shift+UType 2f81a, then Enter or Space.
HTML
冬
CSS
\2F81A
HTML
To write 冬 in HTML, use 冬 as a numeric character reference.
Codes and encoding1 code points
HTML decimal
冬
HTML hex
冬
CSS content
content: "\2F81A";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%AF%A0%9A
1
On screen
1
Code points
2
JS .length
4
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

2

Chinese characters99,354 symbols

Chinese, Japanese & Korean121,370 symbols