Identify Changes to the Start Day of the Week in Summer ’23 for ICU Locales

Locale Code

Locale Name

Spring ’23 Start Day of the Week

Summer ’23  Start Day of the Week

ar_LB

العربية (لبنان)

SATURDAY

MONDAY

ar_MA

العربية (المغرب)

SATURDAY

MONDAY

ar_SA

العربية (المملكة العربية السعودية)

SATURDAY

SUNDAY

ar_TN

العربية (تونس)

SATURDAY

MONDAY

ar_YE

العربية (اليمن)

SATURDAY

SUNDAY

az_AZ

Azerbaijani (Azerbaijan)

SUNDAY

MONDAY

be_BY

Belarusian (Belarus)

SUNDAY

MONDAY

bg

Български

SUNDAY

MONDAY

bg_BG

Български (България)

SUNDAY

MONDAY

bs

Bosanski

SUNDAY

MONDAY

bs_BA

Bosanski (Bosna i Hercegovina)

SUNDAY

MONDAY

cy

Welsh

SUNDAY

MONDAY

cy_GB

Cymraeg (Y Deyrnas Unedig)

SUNDAY

MONDAY

en_AE

English (United Arab Emirates)

SUNDAY

SATURDAY

en_AU

English (Australia)

SUNDAY

MONDAY

en_BB

English (Barbados)

SUNDAY

MONDAY

en_BE

English (Belgium)

SUNDAY

MONDAY

en_BM

English (Bermuda)

SUNDAY

MONDAY

en_CM

English (Cameroon)

SUNDAY

MONDAY

en_CY

English (Cyprus)

SUNDAY

MONDAY

en_DE

English (Germany)

SUNDAY

MONDAY

en_ER

English (Eritrea)

SUNDAY

MONDAY

en_FJ

English (Fiji)

SUNDAY

MONDAY

en_FK

English (Falkland Islands)

SUNDAY

MONDAY

en_GH

English (Ghana)

SUNDAY

MONDAY

en_GI

English (Gibraltar)

SUNDAY

MONDAY

en_GM

English (Gambia)

SUNDAY

MONDAY

en_GY

English (Guyana)

SUNDAY

MONDAY

en_KY

English (Cayman Islands)

SUNDAY

MONDAY

en_LR

English (Liberia)

SUNDAY

MONDAY

en_MG

English (Madagascar)

SUNDAY

MONDAY

en_MU

English (Mauritius)

SUNDAY

MONDAY

en_MW

English (Malawi)

SUNDAY

MONDAY

en_MY

English (Malaysia)

SUNDAY

MONDAY

en_NA

English (Namibia)

SUNDAY

MONDAY

en_NG

English (Nigeria)

SUNDAY

MONDAY

en_NL

English (Netherlands)

SUNDAY

MONDAY

en_NZ

English (New Zealand)

SUNDAY

MONDAY

en_PG

English (Papua New Guinea)

SUNDAY

MONDAY

en_RW

English (Rwanda)

SUNDAY

MONDAY

en_SB

English (Solomon Islands)

SUNDAY

MONDAY

en_SC

English (Seychelles)

SUNDAY

MONDAY

en_SH

English (St. Helena)

SUNDAY

MONDAY

en_SL

English (Sierra Leone)

SUNDAY

MONDAY

en_SX

English (Sint Maarten)

SUNDAY

MONDAY

en_SZ

English (Eswatini)

SUNDAY

MONDAY

en_TO

English (Tonga)

SUNDAY

MONDAY

en_TZ

English (Tanzania)

SUNDAY

MONDAY

en_UG

English (Uganda)

SUNDAY

MONDAY

en_VU

English (Vanuatu)

SUNDAY

MONDAY

es_CO

Español (Colombia)

MONDAY

SUNDAY

es_DO

Español (República Dominicana)

MONDAY

SUNDAY

es_GT

Español (Guatemala)

MONDAY

SUNDAY

es_HN

Español (Honduras)

MONDAY

SUNDAY

es_MX

Español (México)

MONDAY

SUNDAY

es_NI

Español (Nicaragua)

MONDAY

SUNDAY

es_PA

Español (Panamá)

MONDAY

SUNDAY

es_PE

Español (Perú)

MONDAY

SUNDAY

es_PR

Español (Puerto Rico)

MONDAY

SUNDAY

es_PY

Español (Paraguay)

MONDAY

SUNDAY

es_SV

Español (El Salvador)

MONDAY

SUNDAY

es_VE

Español (Venezuela)

MONDAY

SUNDAY

eu

Euskara

SUNDAY

MONDAY

eu_ES

Euskara (Espainia)

SUNDAY

MONDAY

fa

فارسی

SUNDAY

SATURDAY

fa_IR

فارسی (ایران)

SUNDAY

SATURDAY

ga

Gaeilge

SUNDAY

MONDAY

ga_IE

Gaeilge (Éire)

SUNDAY

MONDAY

hmn

Hmong

SUNDAY

MONDAY

ht

Haitian

SUNDAY

MONDAY

ht_HT

Haitian Creole (Haiti)

SUNDAY

MONDAY

hy

Հայերեն

SUNDAY

MONDAY

hy_AM

Հայերեն (Հայաստան)

SUNDAY

MONDAY

in_ID

Indonesia (Indonesia)

MONDAY

SUNDAY

ji

Yiddish

SUNDAY

MONDAY

ka

ქართული

SUNDAY

MONDAY

ka_GE

ქართული (საქართველო)

SUNDAY

MONDAY

kk

Қазақ тілі

SUNDAY

MONDAY

kk_KZ

Қазақ тілі (Қазақстан)

SUNDAY

MONDAY

kl

Kalaallisut

SUNDAY

MONDAY

kl_GL

Kalaallisut (Kalaallit Nunaat)

SUNDAY

MONDAY

ko_KP

한국어(북한)

SUNDAY

MONDAY

ky_KG

Kyrgyz (Kyrgyzstan)

SUNDAY

MONDAY

lb

Lëtzebuergesch

SUNDAY

MONDAY

lb_LU

Lëtzebuergesch (Lëtzebuerg)

SUNDAY

MONDAY

lu_CD

Luba-Katanga (Congo - Kinshasa)

SUNDAY

MONDAY

mi

Māori

SUNDAY

MONDAY

mi_NZ

Te reo (New Zealand)

SUNDAY

MONDAY

mk

Македонски

SUNDAY

MONDAY

mk_MK

Македонски (Северна Македонија)

SUNDAY

MONDAY

ms

Melayu

SUNDAY

MONDAY

ms_BN

Melayu (Brunei)

SUNDAY

MONDAY

ps_AF

Pashto (Afghanistan)

SUNDAY

SATURDAY

pt

Português

SUNDAY

SUNDAY

pt_MZ

Português (Moçambique)

MONDAY

SUNDAY

pt_PT

Português (Portugal)

MONDAY

SUNDAY

rm

Rumantsch

SUNDAY

MONDAY

rm_CH

Rumantsch (Svizra)

SUNDAY

MONDAY

rn_BI

Rundi (Burundi)

SUNDAY

MONDAY

sh_BA

Serbian (Latin) (Bosnia and Herzegovina)

SUNDAY

MONDAY

sh_CS

Serbian (Latin) (Serbia)

SUNDAY

MONDAY

so_DJ

Somali (Djibouti)

SUNDAY

SATURDAY

so_SO

Somali (Somalia)

SUNDAY

MONDAY

sq

Albanian

SUNDAY

MONDAY

sq_AL

Shqip (Shqipëri)

SUNDAY

MONDAY

sw

Swahili

SUNDAY

MONDAY

ta_LK

தமிழ் (இலங்கை)

SUNDAY

MONDAY

tg_TJ

Tajik (Tajikistan)

SUNDAY

MONDAY

uz_LATN_UZ

Uzbek (Latin, Uzbekistan)

SUNDAY

MONDAY

vi

Tiếng Việt

SUNDAY

MONDAY

vi_VN

Tiếng Việt (Việt Nam)

SUNDAY

MONDAY

yo_BJ

Yoruba (Benin)

SUNDAY

MONDAY

zh_MY

中文（马来西亚）

SUNDAY

MONDAY