What 暑 means
It preserves a Japanese source form of 暑. In JIS X 0213:2000, it is entry J3-7543; the Shift_JIS-2004 mapping is EB62. Unicode includes this compatibility range so conversion to and from that Japanese repertoire can preserve its source form.
The Japanese character 暑 means heat, hot weather, or the hot season. A dictionary example dates to around 900, and later uses include the traditional summer period. That history belongs to 暑; 暑's documented trail is the Japanese repertoire mapping, not a separate ancient sign.
How do I preserve the exact JIS form?
Keep 暑 only when the exact encoded form matters. Use 暑 in ordinary Japanese writing; preserve 暑 for archival or compatibility data.
NFC, NFD, NFKC, and NFKD normalization rewrite 暑 as 暑. Check the complete storage and exchange path if the exact form must survive.
Technical and archival; it marks a Japanese source-form distinction, not a change in tone.
Use 暑 for ordinary Japanese; normalization can erase the distinction.
Who writes 暑
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Don't confuse it with
1Questions people ask
1Why does 暑 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 暑
- Search it as
- FA43 · EB62 · J3-7543 · JIS X 0213 · 暑 · Japanese form of 暑 · Unicode normalization
- Shows up in
- Anything that takes text · its shape is whatever your font draws
暑\FA43Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

