CJK Unified Ideographs Extension H

For a list of all CJK characters encoded in Unicode, see CJK Unified Ideographs. Unicode character block

CJK Unified Ideographs Extension H
Range	U+31350..U+323AF (4,192 code points)
Plane	TIP
Scripts	Han
Assigned	4,192 code points
Unused	0 reserved code points
Unicode version history

15.0 (2022)	4,192 (+4,192)

Unicode documentation
Code chart ∣ Web page
Note:

CJK Unified Ideographs Extension H is a Unicode block containing rare and historic CJK Unified Ideographs for Chinese, Japanese, Korean, Sawndip, and Vietnamese submitted to the Ideographic Research Group during 2017.

Block

This list is a single Unicode block. For an overview of all CJK ideograph blocks in Unicode, see CJK Unified Ideographs.

CJK Unified Ideographs Extension H
Official Unicode Consortium code chart (PDF)

U+3135x

U+3136x

U+3137x

U+3138x

U+3139x

U+313Ax

U+313Bx

U+313Cx

U+313Dx

U+313Ex

U+313Fx

U+3140x

U+3141x

U+3142x

U+3143x

U+3144x

U+3145x

U+3146x

U+3147x

U+3148x

U+3149x

U+314Ax

U+314Bx

U+314Cx

U+314Dx

U+314Ex

U+314Fx

U+3150x

U+3151x

U+3152x

U+3153x

U+3154x

U+3155x

U+3156x

U+3157x

U+3158x

U+3159x

U+315Ax

U+315Bx

U+315Cx

U+315Dx

U+315Ex

U+315Fx

U+3160x

U+3161x

U+3162x

U+3163x

U+3164x

U+3165x

U+3166x

U+3167x

U+3168x

U+3169x

U+316Ax

U+316Bx

U+316Cx

U+316Dx

U+316Ex

U+316Fx

U+3170x

U+3171x

U+3172x

U+3173x

U+3174x

U+3175x

U+3176x

U+3177x

U+3178x

U+3179x

U+317Ax

U+317Bx

U+317Cx

U+317Dx

U+317Ex

U+317Fx

U+3180x

U+3181x

U+3182x

U+3183x

U+3184x

U+3185x

U+3186x

U+3187x

U+3188x

U+3189x

U+318Ax

U+318Bx

U+318Cx

U+318Dx

U+318Ex

U+318Fx

U+3190x

U+3191x

U+3192x

U+3193x

U+3194x

U+3195x

U+3196x

U+3197x

U+3198x

U+3199x

U+319Ax

U+319Bx

U+319Cx

U+319Dx

U+319Ex

U+319Fx

U+31A0x

U+31A1x

U+31A2x

U+31A3x

U+31A4x

U+31A5x

U+31A6x

U+31A7x

U+31A8x

U+31A9x

U+31AAx

U+31ABx

U+31ACx

U+31ADx

U+31AEx

U+31AFx

U+31B0x

U+31B1x

U+31B2x

U+31B3x

U+31B4x

U+31B5x

U+31B6x

U+31B7x

U+31B8x

U+31B9x

U+31BAx

U+31BBx

U+31BCx

U+31BDx

U+31BEx

U+31BFx

U+31C0x

U+31C1x

U+31C2x

U+31C3x

U+31C4x

U+31C5x

U+31C6x

U+31C7x

U+31C8x

U+31C9x

U+31CAx

U+31CBx

U+31CCx

U+31CDx

U+31CEx

U+31CFx

U+31D0x

U+31D1x

U+31D2x

U+31D3x

U+31D4x

U+31D5x

U+31D6x

U+31D7x

U+31D8x

U+31D9x

U+31DAx

U+31DBx

U+31DCx

U+31DDx

U+31DEx

U+31DFx

U+31E0x

U+31E1x

U+31E2x

U+31E3x

U+31E4x

U+31E5x

U+31E6x

U+31E7x

U+31E8x

U+31E9x

U+31EAx

U+31EBx

U+31ECx

U+31EDx

U+31EEx

U+31EFx

U+31F0x

U+31F1x

U+31F2x

U+31F3x

U+31F4x

U+31F5x

U+31F6x

U+31F7x

U+31F8x

U+31F9x

U+31FAx

U+31FBx

U+31FCx

U+31FDx

U+31FEx

U+31FFx

U+3200x

U+3201x

U+3202x

U+3203x

U+3204x

U+3205x

U+3206x

U+3207x

U+3208x

U+3209x

U+320Ax

U+320Bx

U+320Cx

U+320Dx

U+320Ex

U+320Fx

U+3210x

U+3211x

U+3212x

U+3213x

U+3214x

U+3215x

U+3216x

U+3217x

U+3218x

U+3219x

U+321Ax

U+321Bx

U+321Cx

U+321Dx

U+321Ex

U+321Fx

U+3220x

U+3221x

U+3222x

U+3223x

U+3224x

U+3225x

U+3226x

U+3227x

U+3228x

U+3229x

U+322Ax

U+322Bx

U+322Cx

U+322Dx

U+322Ex

U+322Fx

U+3230x

U+3231x

U+3232x

U+3233x

U+3234x

U+3235x

U+3236x

U+3237x

U+3238x

U+3239x

U+323Ax

Notes

1. As of Unicode version 16.0

History

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

Version	Final code points	Count	L2 ID	WG2 ID	IRG ID	Document
15.0	U+31350..323AF	4,192	L2/06-364			Jenkins, John (2006-11-01), Proposed UTC C2 Submission
			L2/06-324R2			Moore, Lisa (2006-11-29), "Action Item 109-A39", UTC #109 Minutes, Submit the characters in L2/06-364 (including Lee's) to the IRG.
			L2/12-333			West, Andrew (2012-10-19), Request to UTC to Propose 226 Characters for Inclusion in CJK Extension F
			L2/15-177R			Fan, Ming (2015-08-30), Proposal to add 109 ideographs to UAX #45
			L2/15-223			Lunde, Ken; et al. (2015-11-02), UTC Character Submission for 2015
			L2/15-254			Moore, Lisa (2015-11-16), "Consensus 145-C4", UTC #145 Minutes, Accept the proposal to submit 313 characters documented in L2/15-223 and send to the IRG.
			L2/16-066			Yuan, Xu (2016-03-14), Proposal on creating 2 Chinese Ancient Characters
			L2/16-239R			Fan, Ming (2016-08-29), Proposal of Urgently Needed Characters
			L2/16-269			Jenkins, John H. (2016-09-27), Report on 〇 and Two Ideographs
			L2/16-325			Moore, Lisa (2016-11-18), "Action Item 149-A74", UTC #149 Minutes, Add character Hanyu Dazidian 42326.100 to proposed update of UAX #45, and include in our submission for Extension H. See L2/16-269.
			L2/16-385R			Chan, Eiso (2017-01-16), Proposal to add an ideograph to UAX #45
			L2/17-062 (pdf, zip)			Wang, Xieyang (2017-03-01), Proposal to add 100 place names used ideographs to UAX #45
			L2/17-079			Chan, Eiso (2017-03-28), Proposal to add two ideographs for Gongche Notation to UAX #45
			L2/17-083			Wang, Xieyang (2017-04-03), Proposal to add one ideograph used in Teochew Dialects to UAX #45
			L2/17-099			Wang, Xieyang (2017-04-17), Proposal to add an ideograph for Haifeng County to UAX #45 as a urgently needed character
			L2/17-111			Li, Eddie (2017-04-26), Proposal to add an ideograph for Chemistry to UAX #45
			L2/17-103			Moore, Lisa (2017-05-18), "B.3.2 Comments on IRG P&P Version 9", UTC #151 Minutes
					N2210R	Chan, Eiso; Chau, Gienwen; Wang, Xieyang (2017-06-08), Comments on U+5CC0 & U+2F936
					N2227	Working Set 2017 Version 0.0, 2017-10-12
			L2/17-204			Fan, Ming (2017-07-23), Proposal to add 78 ideographs to UAX #45
			L2/17-286			Lunde, Ken (2017-08-02), Preliminary IRG Working Set 2017 Submission
			L2/17-222			Moore, Lisa (2017-08-11), "Consensus 152-C25", UTC #152 Minutes, Prepare a submission to IRG based on documents L2/17-286 and L2/17-204 with possible refinements.
			L2/17-308		N2232	Lunde, Ken (2017-09-05), Proposal for IRG Working Set 2017 from UTC
					N2228	Proposal for IRG Working Set 2017 from China, 2017-09-15
					N2229	Proposal for IRG Working Set 2017 from ROK, 2017-09-15
					N2230	Proposal for IRG Working Set 2017 from SAT, 2017-09-15
					N2231	Proposal for IRG Working Set 2017 from TCA, 2017-09-15
					N2241	Proposal for IRG Working Set 2017 from Vietnam, 2017-09-15
					N2270	IRG WS 2017 V1.1 (erroneously marked as V0.1), 2018-04-10
					N2292.docx	Editorial Report on WS2017, 2018-05-24
			L2/18-269		N2309	IRG Working Set 2017 Version 2.0, 2018-07-15
			L2/18-270			Lunde, Ken (2018-08-23), IRG N2309 IRG Working Set 2017 Version 2.0 UTC Comments
			L2/18-315			Lunde, Ken (2018-10-14), UTC Response to IRG Working Set 2017 Version 2.0 (IRG N2309) Consolidated Comments
					N2328	Editorial Report on IRG WS 2017, 2018-10-26
					N2347	WS 2017 V3.0, 2019-05-11
					N2364	Editorial Report on IRG Working Set 2017 v3.0, 2019-05-17
					N2385	IRG WS 2017 Version 4.0, 2019-06-14
					N2406	Editorial Report on IRG Working Set 2017 v4.0, 2019-10-24
					N2423	IRG Working Set 2017 Version 5.0, 2020-01-09
					N2429	V0 Source Corrections, 2020-03-11
					N2432	Chan, Eiso; Collins, Lee; Nhàn, Ngô Thanh (2020-06-17), Request to change V-source codes for some WS2017 characters
					N2435	IRG WS 2017 v5.1, 2020-08-04
			L2/21-023		N2444	IRG Working Set 2017 Version 5.2, 2021-01-07
			L2/21-053	N5156	N2469	Suignard, Michel (2021-03-04), Additional repertoire for a future version of Unicode (post Unicode 14.0)
			L2/21-062		N2463R	IRG #56 Editorial Report, 2021-04-07
					N2475	IRG Working Set 2017 Version 6.0 (Draft Code Chart of Ext. H), 2021-07-12
					N2480	IRG Working Set 2017 Version 6.1, 2021-08-18
			L2/21-158	N5165	N2500	"Recommendation IRG M57.2", IRG Meeting #57 Recommendations and Action Items, 2021-09-17
					N2506	IRG#57 Editorial Report, 2021-09-17
					N2513	IRG WS 2017 V7.0, 2021-09-22
			L2/22-022			Lunde, Ken (2022-01-26), CJK & Unihan Group Recommendations for UTC #170 Meeting
			L2/22-016			Constable, Peter (2022-04-21), "E.1 05 and E.1 15", UTC #170 Minutes
					N2544	IRG WS 2017 V7.1 with code range change to U+31350 - U+323AF, 2022-02-25
					N2555	Errata of IRG WS2017 v7.0 (CJK Unified Ideographs Extension H) , 2022-05-08
				N5194		"TE.2. Clause 34. Code charts ... – CJK Unified Ideographs Ext H – 31F4C ", Disposition of comments on CDAM1.2 to ISO/IEC 10646 6th edition, 2022-06-23
			L2/22-127			Lunde, Ken (2022-07-21), "PRI #442 Feedback ", CJK & Unihan Group Recommendations for UTC #172 Meeting
			L2/22-121			Constable, Peter (2022-08-01), Draft Minutes of UTC Meeting 172
			L2/23-085		N2577	Chan, Henry; Woo, Chi Chung (2022-10-02), Request to Update Glyph for U+31D5A
			L2/22-258			Shin, SangHyun; Kim, Kyongsok (2022-10-14), Changing glyphs and IDSs of 97 KR Hanja chars containing '叱 (U+53F1)'
			L2/22-256		N2580R	T-Source Glyph Correction and Horizontal Extension , 2022-10-18
			L2/22-247			Lunde, Ken (2022-11-01), "24) L2/22-256 and 25) L2/22-258", CJK & Unihan Group Recommendations for UTC #173 Meeting
			L2/22-241			Constable, Peter (2022-11-09), "E.1 24) L2/22-256 and E.1 25) L2/22-258", Approved Minutes of UTC Meeting 173
			L2/23-082			Lunde, Ken (2023-04-22), "13 ", CJK & Unihan Group Recommendations for UTC #175 Meeting
			L2/23-076			Constable, Peter (2023-05-01), "E.1 Section 13 and E.1 Section 26 ", UTC #175 Minutes
L2/23-244		N2616	Wang, Xieyang (2023-05-04), Suggestions to correct representative glyphs of 4 CJKUIs
L2/23-237R			Lunde, Ken (2023-11-02), "21 ", CJK & Unihan Group Recommendations for UTC #177 Meeting
L2/23-231			Constable, Peter (2023-12-08), "Section 21 ", UTC #177 Minutes
L2/24-012			Lunde, Ken (2024-01-11), "06 and 07 ", CJK & Unihan Group Recommendations for UTC #178 Meeting
L2/24-006			Constable, Peter (2024-01-31), "Section 06 and Section 07 ", UTC #178 Minutes
Proposed code points and characters names may differ from final code points and names

References

"Unicode character database". The Unicode Standard. Retrieved 2023-07-26.
"Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023-07-26.
"18.1: Han (§ Blocks Containing Han Ideographs)" (PDF). The Unicode Standard: Core Specification. Version 15.0. Unicode Consortium. pp. 741–744. 2022. ISBN 978-1-936213-32-0.

CJK ideographs in Unicode

Block name	Plane	Chart range	Characters	Han unification	Scripts contained in block
CJK Unified Ideographs CJK Unified Ideographs Extension A CJK Unified Ideographs Extension B CJK Unified Ideographs Extension C CJK Unified Ideographs Extension D CJK Unified Ideographs Extension E CJK Unified Ideographs Extension F CJK Unified Ideographs Extension G CJK Unified Ideographs Extension H CJK Unified Ideographs Extension I CJK Radicals Supplement Kangxi Radicals Ideographic Description Characters CJK Symbols and Punctuation CJK Strokes Enclosed CJK Letters and Months CJK Compatibility CJK Compatibility Ideographs CJK Compatibility Forms Enclosed Ideographic Supplement CJK Compatibility Ideographs Supplement	0 BMP 0 BMP 2 SIP 2 SIP 2 SIP 2 SIP 2 SIP 3 TIP 3 TIP 2 SIP 0 BMP 0 BMP 0 BMP 0 BMP 0 BMP 0 BMP 0 BMP 0 BMP 0 BMP 1 SMP 2 SIP	4E00–9FFF 3400–4DBF 20000–2A6DF 2A700–2B73F 2B740–2B81F 2B820–2CEAF 2CEB0–2EBEF 30000–3134F 31350–323AF 2EBF0–2EE5F 2E80–2EFF 2F00–2FDF 2FF0–2FFF 3000–303F 31C0–31EF 3200–32FF 3300–33FF F900–FAFF FE30–FE4F 1F200–1F2FF 2F800–2FA1F	20,992 6,592 42,720 4,154 222 5,762 7,473 4,939 4,192 622 115 214 16 64 39 255 256 472 32 64 542	Unified Unified Unified Unified Unified Unified Unified Unified Unified Unified Not unified Not unified Not unified Not unified Not unified Not unified Not unified 12 are unified Not unified Not unified Not unified	Han Han Han Han Han Han Han Han Han Han Han Han Common Han, Hangul, Common, Inherited Common Hangul, Katakana, Common Katakana, Common Han Common Hiragana, Common Han
Totals		21	99,737

As of version 16.0

Category:

Unicode blocks