CJK Unified Ideographs Extension A

CJK Unified Ideographs Extension-A is a Unicode block containing rare Han ideographs.

CJK Unified Ideographs Extension A
RangeU+3400..U+4DBF
(6,592 code points)
PlaneBMP
ScriptsHan
Assigned6,592 code points
Unused0 reserved code points
Unicode version history
3.06,582 (+6,582)
13.06,592 (+10)
Note: [1][2]
Range used for Hangul syllables prior to Unicode 2.0 (see Hangul (obsolete Unicode block)).

The block has dozens of variation sequences defined for standardized variants.[3]

It also has thousands of ideographic variation sequences registered in the Unicode Ideographic Variation Database (IVD).[4][5] These sequences specify the desired glyph variant for a given Unicode character.

Block

CJK Unified Ideographs Extension A[1]
Official Unicode Consortium code chart (PDF)
 0123456789ABCDEF
U+340x
U+341x
U+342x
U+343x
U+344x
U+345x
U+346x
U+347x
U+348x
U+349x
U+34Ax
U+34Bx
U+34Cx
U+34Dx
U+34Ex
U+34Fx
U+350x
U+351x
U+352x
U+353x
U+354x
U+355x
U+356x
U+357x
U+358x
U+359x
U+35Ax
U+35Bx
U+35Cx
U+35Dx
U+35Ex
U+35Fx
U+360x
U+361x
U+362x
U+363x
U+364x
U+365x
U+366x
U+367x
U+368x
U+369x
U+36Ax
U+36Bx
U+36Cx
U+36Dx
U+36Ex
U+36Fx
U+370x
U+371x
U+372x
U+373x
U+374x
U+375x
U+376x
U+377x
U+378x
U+379x
U+37Ax
U+37Bx
U+37Cx
U+37Dx
U+37Ex
U+37Fx
U+380x
U+381x
U+382x
U+383x
U+384x
U+385x
U+386x
U+387x
U+388x
U+389x
U+38Ax
U+38Bx
U+38Cx
U+38Dx
U+38Ex
U+38Fx
U+390x
U+391x
U+392x
U+393x 㤿
U+394x
U+395x
U+396x
U+397x 㥿
U+398x
U+399x
U+39Ax
U+39Bx 㦿
U+39Cx
U+39Dx
U+39Ex
U+39Fx 㧿
U+3A0x
U+3A1x
U+3A2x
U+3A3x 㨿
U+3A4x
U+3A5x
U+3A6x
U+3A7x 㩿
U+3A8x
U+3A9x
U+3AAx
U+3ABx 㪿
U+3ACx
U+3ADx
U+3AEx
U+3AFx 㫿
U+3B0x
U+3B1x
U+3B2x
U+3B3x 㬿
U+3B4x
U+3B5x
U+3B6x
U+3B7x 㭿
U+3B8x
U+3B9x
U+3BAx
U+3BBx 㮿
U+3BCx
U+3BDx
U+3BEx
U+3BFx 㯿
U+3C0x
U+3C1x
U+3C2x
U+3C3x 㰿
U+3C4x
U+3C5x
U+3C6x
U+3C7x 㱿
U+3C8x
U+3C9x
U+3CAx
U+3CBx 㲿
U+3CCx
U+3CDx
U+3CEx
U+3CFx 㳿
U+3D0x
U+3D1x
U+3D2x
U+3D3x 㴿
U+3D4x
U+3D5x
U+3D6x
U+3D7x 㵿
U+3D8x
U+3D9x
U+3DAx
U+3DBx 㶿
U+3DCx
U+3DDx
U+3DEx
U+3DFx 㷿
U+3E0x
U+3E1x
U+3E2x
U+3E3x 㸿
U+3E4x
U+3E5x
U+3E6x
U+3E7x 㹿
U+3E8x
U+3E9x
U+3EAx
U+3EBx 㺿
U+3ECx
U+3EDx
U+3EEx
U+3EFx 㻿
U+3F0x
U+3F1x
U+3F2x
U+3F3x 㼿
U+3F4x
U+3F5x
U+3F6x
U+3F7x 㽿
U+3F8x
U+3F9x
U+3FAx
U+3FBx 㾿
U+3FCx
U+3FDx
U+3FEx
U+3FFx 㿿
U+400x 䀀
U+401x
U+402x
U+403x
U+404x
U+405x
U+406x
U+407x
U+408x
U+409x
U+40Ax
U+40Bx
U+40Cx
U+40Dx
U+40Ex
U+40Fx
U+410x
U+411x
U+412x
U+413x
U+414x
U+415x
U+416x
U+417x
U+418x
U+419x
U+41Ax
U+41Bx
U+41Cx
U+41Dx
U+41Ex
U+41Fx
U+420x
U+421x
U+422x
U+423x
U+424x
U+425x
U+426x
U+427x
U+428x
U+429x
U+42Ax
U+42Bx
U+42Cx
U+42Dx
U+42Ex
U+42Fx
U+430x
U+431x
U+432x
U+433x
U+434x
U+435x
U+436x
U+437x
U+438x
U+439x
U+43Ax
U+43Bx
U+43Cx
U+43Dx
U+43Ex
U+43Fx
U+440x
U+441x
U+442x
U+443x
U+444x
U+445x
U+446x
U+447x
U+448x
U+449x
U+44Ax
U+44Bx
U+44Cx
U+44Dx
U+44Ex
U+44Fx
U+450x
U+451x
U+452x
U+453x
U+454x
U+455x
U+456x
U+457x
U+458x
U+459x
U+45Ax
U+45Bx
U+45Cx
U+45Dx
U+45Ex
U+45Fx
U+460x
U+461x
U+462x
U+463x
U+464x
U+465x
U+466x
U+467x
U+468x
U+469x
U+46Ax
U+46Bx
U+46Cx
U+46Dx
U+46Ex
U+46Fx
U+470x
U+471x
U+472x
U+473x
U+474x
U+475x
U+476x
U+477x
U+478x
U+479x
U+47Ax
U+47Bx
U+47Cx
U+47Dx
U+47Ex
U+47Fx
U+480x
U+481x
U+482x
U+483x
U+484x
U+485x
U+486x
U+487x
U+488x
U+489x
U+48Ax
U+48Bx
U+48Cx
U+48Dx
U+48Ex
U+48Fx
U+490x
U+491x
U+492x
U+493x 䤿
U+494x
U+495x
U+496x
U+497x 䥿
U+498x
U+499x
U+49Ax
U+49Bx 䦿
U+49Cx
U+49Dx
U+49Ex
U+49Fx 䧿
U+4A0x
U+4A1x
U+4A2x
U+4A3x 䨿
U+4A4x
U+4A5x
U+4A6x
U+4A7x 䩿
U+4A8x
U+4A9x
U+4AAx
U+4ABx 䪿
U+4ACx
U+4ADx
U+4AEx
U+4AFx 䫿
U+4B0x
U+4B1x
U+4B2x
U+4B3x 䬿
U+4B4x
U+4B5x
U+4B6x
U+4B7x 䭿
U+4B8x
U+4B9x
U+4BAx
U+4BBx 䮿
U+4BCx
U+4BDx
U+4BEx
U+4BFx 䯿
U+4C0x
U+4C1x
U+4C2x
U+4C3x 䰿
U+4C4x
U+4C5x
U+4C6x
U+4C7x 䱿
U+4C8x
U+4C9x
U+4CAx
U+4CBx 䲿
U+4CCx
U+4CDx
U+4CEx
U+4CFx 䳿
U+4D0x
U+4D1x
U+4D2x
U+4D3x 䴿
U+4D4x
U+4D5x
U+4D6x
U+4D7x 䵿
U+4D8x
U+4D9x
U+4DAx
U+4DBx 䶿
Notes
1.^ As of Unicode version 13.0

History

The following Unicode-related documents record the purpose and process of defining specific characters in the CJK Unified Ideographs Extension A block:

VersionFinal code points[lower-alpha 1]CountL2 IDWG2 IDIRG IDDocument
3.0U+3400..4DB56,582N1423N364Proposal Summary Form: CJK Unified Ideographs Extension A, 1996-08-01
N1424N382CJK Unified Ideograph Extension A Version 1.1, 1996-08-01
N1425N378Draft Text of General Description for Extension A, 1996-08-01
N1426N379Draft Text of CJK Annex for Extension A, 1996-08-01
N1455Lu, Chin (1996-08-06), More Evidence on CJK Extension A
N1439Korea’s comments on IRG Proposal, 1996-08-12
N1449Wang, Xiaoming (1996-08-12), The Great Chinese Word Dictionary with CJK Extensions
N1453Ksar, Mike; Umamaheswaran, V. S. (1996-12-06), "9. IRG status and reports", WG 2 Minutes - Quebec Meeting 31
N1479Ksar, Mike (1997-01-10), Results of SC2 questionnaire on allocation of 6585 Han characters in BMP
N1487IRG position concerning Japanese comments on extension A, 1997-01-15
L2/97-030N1503 (pdf, doc)Umamaheswaran, V. S.; Ksar, Mike (1997-04-01), "9.2", Unconfirmed Minutes of WG 2 Meeting #32, Singapore; 1997-01-20--24
L2/97-254ROrita, Tetsuji (1997-11-20), Comment on CJK Unified Ideograph Extension-A by IRG
L2/97-279Kobayashi, Tatsuo (1997-12-01), Comment on Contribution by Tet Orita titled "Comment on CJK Unified Ideograph Extension-A by IRG"
L2/98-039Aliprand, Joan; Winkler, Arnold (1998-02-24), "3.B.1. Existing compatibility characters also in CJK Extension A", Preliminary Minutes - UTC #74 & L2 #171, Mountain View, CA - December 5, 1997
L2/98-096N1723CJK Unified Ideographs Extension A, High Quality Printing, Version 2.0, 1998-03-02
L2/98-103N1733Text for FPDAM #17 - CJK Unified Ideographs Extension A, 1998-03-20
L2/98-171N1776Text for PDAM registration and FPDAM ballot for ISO 10646-1 Amendment 17 - CJK Unified Ideographs Extension A, 1998-05-01
L2/98-170Winkler, Arnold (1998-05-11), PDAM registration and FPDAM ballot for ISO 10646-1 Amendment 17 - CJK Extension A
L2/98-286N1703Umamaheswaran, V. S.; Ksar, Mike (1998-07-02), "9.1.2", Unconfirmed Meeting Minutes, WG 2 Meeting #34, Redmond, WA, USA; 1998-03-16--20
L2/98-334Revised Text of ISO/IEC 10646-1/FPDAM 17, AMENDMENT 17: CJK Unified Ideograph Extension A, 1998-11-02
L2/98-347Disposition of comments report on SC2 N3090, ISO 10646 Amd. 17: CJK unified ideograph extension A, 1998-11-02
L2/99-010N1903 (pdf, html, doc)Umamaheswaran, V. S. (1998-12-30), "6.7.2", Minutes of WG 2 meeting 35, London, U.K.; 1998-09-21--25
L2/99-023N1943Paterson, Bruce; Sato, T. K. (1999-01-08), Revision of 10646-1 Annex T for CJK Unified Ideographs Extension A (Draft)
L2/99-156Table of replies on ISO/IEC 10646-1/FDAM 17 - CJK Unified Ideographs Extension A, 1999-05-17
L2/99-232N2003Umamaheswaran, V. S. (1999-08-03), "7.1.3 Revision of Annex T for CJK Extension A", Minutes of WG 2 meeting 36, Fukuoka, Japan, 1999-03-09--15
L2/99-287Notice of publication for ISO/IEC 10646-1/Amd. 17, CJK Unified Ideographs Extension A, 1999-08-19
L2/99-335N2109N674Zhang, Zhoucai (1999-09-03), SuperCJK, version 9.0 with Kangxi and HYD data
L2/03-287Cook, Richard (2003-08-24), 16 UniHan.txt errors
L2/03-301Cook, Richard (2003-08-27), 24 more UniHan.txt errors
L2/03-311West, Andrew (2003-09-17), Unicode 4.0.1 Beta Review, comments from Andrew C. West
L2/03-399Fok, Anthony (2003-10-13), Unihan reported errors / changes re kHKSCS entries
L2/03-367N2667Suignard, Michel; Muller, Eric; Jenkins, John (2003-10-22), CJK Ideograph source references corrections
L2/03-398Nguyen, D. (2003-10-29), Unihan reported errors / changes re kCowles
L2/03-453Minutes of the Editorial Group Ad Hoc Discussion, 2003-12-17
L2/04-208N2774RN1064Proposal to add 6 KP source references to existing CJK Unified Ideographs, 2004-05-25
N3353 (pdf, doc)Umamaheswaran, V. S. (2007-10-10), "M51.9", Unconfirmed minutes of WG 2 meeting 51 Hanzhou, China; 2007-04-24/27
L2/07-208N3285Proposal to replace 11 KP source references to existing ISO/IEC 10646:2003, 2007-07-18
L2/10-215Lunde, Ken (2010-06-22), "Hanyo-Denshi" IVD Collection (PRI 167) to Adobe-Japan1-6 Mapping Table
L2/13-016Suignard, Michel (2013-01-24), CJK Ext-A fix
L2/13-011Moore, Lisa (2013-02-04), "CJK — Extension-A Fix", UTC #134 Minutes
N4403 (pdf, doc)Umamaheswaran, V. S. (2014-01-28), "Resolution M61.02 item b", Unconfirmed minutes of WG 2 meeting 61, Holiday Inn, Vilnius, Lithuania; 2013-06-10/14
L2/14-149N4544Suignard, Michel (2014-07-18), CJK ideographs glyphs representation and sources references
N4553 (pdf, doc)Umamaheswaran, V. S. (2014-09-16), "9.1.3", Minutes of WG 2 meeting 62 Adobe, San Jose, CA, USA
L2/14-260N4621Suignard, Michel (2014-10-23), CJK chart and source references update
L2/16-052N4603 (pdf, doc)Umamaheswaran, V. S. (2015-09-01), "M63.05", Unconfirmed minutes of WG 2 meeting 63
L2/17-180N2202Chan, Eiso (2017-06-02), Request for consideration to add kIRG_GSource values to thirteen ideographs and change two G-source glyphs for the Table of General Standard Chinese Characters [Affects U+37C3 and U+3FE0]
N4974N2301Request of TCA’s Horizontal Extension for Chemical Terminology [Affects U+44EC], 2018-06-12
N4987Proposal on China’s Horizontal Extension for 14 CJK Ideographs [Affects U+37C3, 3FE0, 9FD4, 20164, 24A7D, 25ED7, 2677C, 26C21, 2A917, 2AA30, 2BD77, 2C494, 2C72F, and 2CB38], 2018-06-13
N4988Proposal on Updating 11 G glyphs of CJK Unified Ideographs to ISO/IEC 10646 [Affects U+3B9D, 3CFD, 4A76, 6FF9, 809E, 891D, 21D4C, 2278B, 23AB8, 2459B, and 2A8FB], 2018-06-13
N5016N2349Shin, Sanghyun; Cho, Sungduk; Pyo, Seungju; Kim, Kyongsok (2018-12-13), Request to move character K6-1022 in Horizontal Extension of KS X 1027-5 from U+3EAC to U+248F2
N5020 (pdf, doc)Umamaheswaran, V. S. (2019-01-11), "10.4.6, 10.4.8 and 10.4.9", Unconfirmed minutes of WG 2 meeting 67
N2369Chan, Eiso (2019-05-06), Feedback on IRGN2369 [Affects U+38C7 and U+46E9]
N5086N2379Proposal of China’s horizontal extension for technical used characters [Affects U+3472, U+3DB8, and U+3FE0], 2019-05-10
L2/19-237N5068Editorial Report on Miscellaneous Issues (meeting IRG#52) [Affects U+3EAC and U+440B], 2019-05-17
L2/19-241N5083N2391Errata report for WG2 submission_TCA [Affects U+440B], 2019-05-31
13.0U+4DB6..4DBF10L2/19-242N5094N2370Chan, Eiso (2019-02-14), 20 questionable V4-Source characters in Ext. C and Ext. E
L2/19-239N5080N2338TCA's feedback to IRG N2338, 2019-05-14
L2/19-240N5081N2337Disunification of U+2F83B/U+5406, 2019-05-14
N5122"M68.07", Unconfirmed minutes of WG 2 meeting 68, 2019-12-31
L2/19-270Moore, Lisa (2019-08-02), "Consensus 160-C14", UTC #160 Minutes
  1. Proposed code points and characters names may differ from final code points and names

See also

References

  1. "Unicode character database". The Unicode Standard. Retrieved 2016-07-09.
  2. "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2016-07-09.
  3. "Unicode Character Database: Standardized Variation Sequences". The Unicode Consortium.
  4. "Ideographic Variation Database". Unicode Consortium.
  5. "UTS #37, Unicode Ideographic Variation Database". Unicode Consortium.
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