U+6691 "暑" CJK Unified Ideograph-# Unicode Character

Unicode Version 17.0

暑

U+6691 "暑" CJK Unified Ideograph-# is a Chinese character that primarily means "heat" or "summer heat" and is often used in words related to hot weather, such as "暑假" (summer vacation) and "暑气" (summer heat). This ideograph appears in multiple East Asian languages, including Mandarin Chinese, Japanese, and Korean, where it conveys the concept of intense warmth or the summer season. The character is composed of the radical for "sun" or "day" (日) on top, indicating its association with the sun's heat, and a phonetic component below that contributes to its pronunciation. Historically, it has been used in classical texts to describe atmospheric conditions and seasonal changes, reflecting its enduring cultural role in discussing climate and daily life across East Asia.

General Properties

Code Point	U+6691
Version Added	1.1
Name	CJK Unified Ideograph-#
Block	CJK Unified Ideographs
General Category	Other Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right

Encodings

HTML Decimal Encoding	暑
HTML Hex Encoding	暑
UTF-8 Encoding	0xE6 0x9A 0x91
UTF-16 Encoding	0x6691
UTF-32 Encoding	0x00006691
C/C++/Java Escape	\u6691

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Script	Han
Script Extensions	Han
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	OLetter
Ideographic	Yes
Unified Ideograph	Yes

Unihan Properties

kBigFive	B4BB
kCCCII	21433A
kCNS1986	1-5F60
kCNS1992	1-5F60
kCangjie	AJKA
kCantonese	syu2
kCowles	3986
kDaeJaweon	0866.110
kDefinition	hot
kEACC	21433A
kFanqie	舒吕
kFenn	192A
kFennIndex	462.09
kFourCornerCode	6060.4
kGB0	4278
kGB1	4278
kGradeLevel	2
kGSR	0045x
kHangul	서:0E
kHanYu	21516.020
kHanyuPinlu	shǔ(13)
kHanyuPinyin	21516.020:shǔ
kHKGlyph	1794
kIICore	AGTJHKMP
kIRGDaeJaweon	0866.110
kIRGHanyuDaZidian	21516.020
kIRGKangXi	0498.130
kIRG_GSource	G0-4A6E
kIRG_HSource	HB1-B4BB
kIRG_JSource	J0-3D6B
kIRG_KPSource	KP0-E1EB
kIRG_KSource	K0-5F74
kIRG_TSource	T1-5F60
kIRG_VSource	V2-8D26
kJapanese	ショあつい
kJoyoKanji	2010
kKoreanEducationHanja	2007
kTGH	2013:2613
kJapaneseKun	ATSUI ATSUSA
kJapaneseOn	SHO
kJis0	2975
kKangXi	0498.130
kKorean	SE
kLau	2906
kMainlandTelegraph	2540
kMandarin	shǔ
kMatthews	5866
kMeyerWempe	2764
kMojiJoho	MJ013348 MJ030264:FE00 MJ013348:E0102 MJ030264:E0103
kMorohashi	14031' 14051:FE00 14031':E0102 14051:E0103
kNelson	2138
kPhonetic	94
kRSAdobe_Japan1_6	C+2421+72.4.8
kRSUnicode	72.8
kSBGY	257.13
kSMSZD2003Index	294.04
kSMSZD2003Readings	shǔ粵syu2
kTaiwanTelegraph	2540
kTang	shiǔ
kTGHZ2013	341.110:shǔ
kTotalStrokes	12
kUnihanCore2020	GHJKMPT
kXerox	250:332
kXHC1983	1067.010:shǔ