U+591C was added to Unicode in version 1.1 (1993). It belongs to the block CJK Unified Ideographs in the Basic Multilingual Plane.

This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as night, dark; in night; by night. Its Pīnyīn pronunciation is y.

The glyph is not a composition. It has a Wide East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. In text U+591C behaves as Ideographic regarding line breaks. It has type OLetter for sentence and Other for word breaks. The Grapheme Cluster Break is Any.


System Representation
UTF-8 E5 A4 9C
UTF-16 59 1C
UTF-32 00 00 59 1C
URL-Quoted %E5%A4%9C
HTML-Escape 夜
Wrong windows-1252 Mojibake 夜
Encoding: EUC-KR (hex bytes) E5 A8
Encoding: JIS0208 (hex bytes) CC EB
Pīnyīn y
IRG_GSource G0-5239
IRG_HSource HB1-
IRG_JSource J0-4C6B
IRG_KPSource KP0-F7E
IRG_KSource K0-6528
IRG_TSource T1-4C5F
IRG_VSource V1-514
BigFive A95D
CCCII 21387E
CNS1986 1-4C5F
CNS1992 1-4C5F
EACC 21387E
GB0 5025
GB1 5025
Jis0 4475
KSC0 6908
MainlandTelegraph 1123
TaiwanTelegraph 1123
Xerox 244:100

Related Characters

  • ㊰


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-591C
Unicode 1 Name (na1)
Block (blk) CJK
General Category (gc) Other Letter
Script (sc) Han
Bidirectional Category (bc) Left To Right
Combining Class (ccc) Not Reordered
Decomposition Type (dt) None
Decomposition Mapping (dm) 夜
Lowercase (Lower)
Simple Lowercase Mapping (slc) 夜
Lowercase Mapping (lc) 夜
Uppercase (Upper)
Simple Uppercase Mapping (suc) 夜
Uppercase Mapping (uc) 夜
Simple Titlecase Mapping (stc) 夜
Titlecase Mapping (tc) 夜
Case Folding (cf) 夜
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 夜
Bidi Paired Bracket Type (bpt) None
Cased (Cased)
Composition Exclusion (CE)
Case Ignorable (CI)
Full Composition Exclusion (Comp_Ex)
Changes When Casefolded (CWCF)
Changes When Casemapped (CWCM)
Changes When NFKC Casefolded (CWKCF)
Changes When Lowercased (CWL)
Changes When Titlecased (CWT)
Changes When Uppercased (CWU)
Dash (Dash)
Deprecated (Dep)
Default Ignorable Code Point (DI)
Diacritic (Dia)
East Asian Width (ea) Wide
Extender (Ext)
FC NFKC Closure (FC_NFKC) 夜
Grapheme Cluster Break (GCB) Any
Grapheme Base (Gr_Base)
Grapheme Extend (Gr_Ext)
Hex Digit (Hex)
Hangul Syllable Type (hst) Not Applicable
Hyphen (Hyphen)
ID Continue (IDC)
Ideographic (Ideo)
ID Start (IDS)
IDS Binary Operator (IDSB)
IDS Trinary Operator and (IDST)
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
ISO 10646 Comment (isc)
Joining Group (jg) No_Joining_Group
Join Control (Join_C)
Jamo Short Name (JSN)
Joining Type (jt) Non Joining
kIICore (kIICore) AGT
kIRG_GSource (kIRG_GSource) G0-5239
kIRG_HSource (kIRG_HSource) HB1-
kIRG_JSource (kIRG_JSource) J0-4C6B
kIRG_KPSource (kIRG_KPSource) KP0-F7E
kIRG_KSource (kIRG_KSource) K0-6528
kIRG_TSource (kIRG_TSource) T1-4C5F
kIRG_VSource (kIRG_VSource) V1-514
kIRGDaeJaweon (kIRGDaeJaweon) 0490.070
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 05763
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 10285.010
kIRGKangXi (kIRGKangXi) 0246.180
kBigFive (kBigFive) A95D
kCangjie (kCangjie) YONK
kCantonese (kCantonese) je6
kCCCII (kCCCII) 21387E
kCihaiT (kCihaiT) 341.401
kCNS1986 (kCNS1986) 1-4C5F
kCNS1992 (kCNS1992) 1-4C5F
kCowles (kCowles) 5176
kDaeJaweon (kDaeJaweon) 0490.070
Unihan Definition (kDefinition) night, dark; in night; by night
kEACC (kEACC) 21387E
kFenn (kFenn) 268A
kFennIndex (kFennIndex) 621.01
kFourCornerCode (kFourCornerCode) 0024.7
kFrequency (kFrequency) 3
kGB0 (kGB0) 5025
kGB1 (kGB1) 5025
kGradeLevel (kGradeLevel) 2
kGSR (kGSR) 0800j
kHangul (kHangul)
kHanYu (kHanYu) 10285.010
kHanyuPinlu (kHanyuPinlu) yè(799)
kHanyuPinyin (kHanyuPinyin) 10285.010:yè
kHKGlyph (kHKGlyph) 0831
kJapaneseKun (kJapaneseKun) YO YORU
kJapaneseOn (kJapaneseOn) YA
kJis0 (kJis0) 4475
kKangXi (kKangXi) 0246.180
kKarlgren (kKarlgren) 187
kKorean (kKorean) YA
kKPS0 (kKPS0) F7E2
kKSC0 (kKSC0) 6908
kLau (kLau) 3378
kMainlandTelegraph (kMainlandTelegraph) 1123
kMandarin (kMandarin)
kMatthews (kMatthews) 7315
kMeyerWempe (kMeyerWempe) 3869
kMorohashi (kMorohashi) 05763
kNelson (kNelson) 0298
kPhonetic (kPhonetic) 170 1522 1556
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+3831+8.2.6 C+3831+36.3.5
Radical Stroke Count (KangXi) (kRSKangXi) 36.5
Radical Stroke Count (Unicode) (kRSUnicode) 36.5
kSBGY (kSBGY) 422.55
kTaiwanTelegraph (kTaiwanTelegraph) 1123
kTang (kTang) *ià
Stroke Number (kTotalStrokes) 8
kVietnamese (kVietnamese) dạ
kXerox (kXerox) 244:100
kXHC1983 (kXHC1983) 1347.020:yè
z Variant (kZVariant) 亱
Line Break (lb) Ideographic
Logical Order Exception (LOE)
Math (Math)
Noncharacter Code Point (NChar)
NFC Quick Check (NFC_QC) Yes
NFD Quick Check (NFD_QC) Yes
NFKC Casefold (NFKC_CF) 夜
NFKC Quick Check (NFKC_QC) Yes
NFKD Quick Check (NFKD_QC) Yes
Numeric Type (nt) None
Numeric Value (nv) NaN
Other Alphabetic (OAlpha)
Other Default Ignorable Code Point (ODI)
Other Grapheme Extend (OGr_Ext)
Other ID Continue (OIDC)
Other ID Start (OIDS)
Other Lowercase (OLower)
Other Math (OMath)
Other Uppercase (OUpper)
Pattern Syntax (Pat_Syn)
Pattern White Space (Pat_WS)
Quotation Mark (QMark)
Radical (Radical)
Sentence Break (SB) OLetter
Simple Case Folding (scf) 夜
Script Extension (scx) Han
Soft Dotted (SD)
STerm (STerm)
Terminal Punctuation (Term)
Unified Ideograph (UIdeo)
Variation Selector (VS)
Word Break (WB) Other
White Space (WSpace)
XID Continue (XIDC)
XID Start (XIDS)
Expands On NFC (XO_NFC)
Expands On NFD (XO_NFD)
Expands On NFKC (XO_NFKC)
Expands On NFKD (XO_NFKD)