U+66C8 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 twilight just before sunrise. Its Pīnyīn pronunciation is tóng.

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+66C8 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 E6 9B 88
UTF-16 66 C8
UTF-32 00 00 66 C8
URL-Quoted %E6%9B%88
HTML-Escape 曈
Wrong windows-1252 Mojibake 曈
Pīnyīn tóng
IRG_GSource G3-4831
IRG_HSource HB2-
IRG_JSource J3-7548
IRG_KPSource KP1-49E
IRG_KSource K2-3936
IRG_TSource T2-573E
BigFive E9B3
CCCII 22394E
CNS1986 2-573E
CNS1992 2-573E
EACC 22394E
GB3 4017
JIS0213 1,85,40
Jis1 3466
KPS1 49E1
TaiwanTelegraph 2559
Xerox 311:171


Complete Record

Property Value
Age (age) 1.1
Unicode Name (na) CJK UNIFIED IDEOGRAPH-66C8
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) 曈
Lowercase (Lower)
Simple Lowercase Mapping (slc) 曈
Lowercase Mapping (lc) 曈
Uppercase (Upper)
Simple Uppercase Mapping (suc) 曈
Uppercase Mapping (uc) 曈
Simple Titlecase Mapping (stc) 曈
Titlecase Mapping (tc) 曈
Case Folding (cf) 曈
ASCII Hex Digit (AHex)
Alphabetic (Alpha)
Bidi Control (Bidi_C)
Bidi Mirrored (Bidi_M)
Bidi Paired Bracket (bpb) 曈
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) 曈
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
kIRG_GSource (kIRG_GSource) G3-4831
kIRG_HSource (kIRG_HSource) HB2-
kIRG_JSource (kIRG_JSource) J3-7548
kIRG_KPSource (kIRG_KPSource) KP1-49E
kIRG_KSource (kIRG_KSource) K2-3936
kIRG_TSource (kIRG_TSource) T2-573E
kIRGDaeJaweon (kIRGDaeJaweon) 0870.110
kIRGDaiKanwaZiten (kIRGDaiKanwaZiten) 14175
kIRGHanyuDaZidian (kIRGHanyuDaZidian) 21537.080
kIRGKangXi (kIRGKangXi) 0500.160
kBigFive (kBigFive) E9B3
kCangjie (kCangjie) AYTG
kCantonese (kCantonese) tung4
kCCCII (kCCCII) 22394E
kCihaiT (kCihaiT) 647.505
kCNS1986 (kCNS1986) 2-573E
kCNS1992 (kCNS1992) 2-573E
kDaeJaweon (kDaeJaweon) 0870.110
Unihan Definition (kDefinition) twilight just before sunrise
kEACC (kEACC) 22394E
kFourCornerCode (kFourCornerCode) 6001.4
kGB3 (kGB3) 4017
kHanYu (kHanYu) 21537.080
kHanyuPinyin (kHanyuPinyin) 21537.080:tóng
kJapaneseKun (kJapaneseKun) HONOGURAI
kJapaneseOn (kJapaneseOn) TOU TSU
kJIS0213 (kJIS0213) 1,85,40
kJis1 (kJis1) 3466
kKangXi (kKangXi) 0500.160
kKPS1 (kKPS1) 49E1
kMandarin (kMandarin) tóng
kMatthews (kMatthews) 6628
kMeyerWempe (kMeyerWempe) 3616a
kMorohashi (kMorohashi) 14175
kPhonetic (kPhonetic) 1406
Radical Stroke Count (Adobe Japan 1-6) (kRSAdobe_Japan1_6) C+14611+72.4.12
Radical Stroke Count (KangXi) (kRSKangXi) 72.12
Radical Stroke Count (Unicode) (kRSUnicode) 72.12
kSBGY (kSBGY) 023.32 031.34 236.20
kTaiwanTelegraph (kTaiwanTelegraph) 2559
Stroke Number (kTotalStrokes) 16
kXerox (kXerox) 311:171
kXHC1983 (kXHC1983) 1151.030:tóng
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) 曈
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) 曈
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)