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Type: Bug
Resolution: Fixed
Priority: P2: Important
Fix Version/s: 6.9.0 FF
Affects Version/s: 5.7, 6.6, 6.7
Component/s: Core: Date/Time, Core: Locales (i18n)
Labels:
None

Platform/s:

All
Story Points:
21
Commits:
58fd829cd (dev), c8b70f4e5 (dev), 0f770b0b3 (dev), 4017bc5ad (dev), 43cb4136a (dev), a7338bd83 (6.7), 249b8ff3f (6.7), af4bccb56 (6.7), 5f8dc8ea5 (dev), e8d20b145 (tqtc/lts-6.5), 67753fa39 (tqtc/lts-6.5), ec1631c48 (tqtc/lts-6.5), bd01008bc (dev)
Sprint:
Foundation Sprint 91, Foundation Sprint 92, Foundation Sprint 93, Foundations Sprint 94, Foundations Sprint 95, Foundations Sprint 96, Foundations Sprint 97, Foundations Sprint 98, Foundations Sprint 99, Foundation Sprint 100, Foundation Sprint 101, Foundations Sprint 102, Foundation Sprint 103, Foundation Sprint 104, Foundation Sprint 105, Foundation Sprint 106, Foundation Sprint 107, Foundation Sprint 108, Foundation Sprint 109, Foundation Sprint 110, Foundation Sprint 111, Foundation Sprint 112, Foundation Sprint 113, Foundation Sprint 114, Foundation Sprint 115

QDateTime::timeZoneAbbreviation() and QTimeZone::abbreviation() make no attempt at localization. They end up using the C locale (in effect) for UTC and UTC-offset time representations but a system-supplied (hence typically the system locale's form of) the names and abbreviations for local time or a time zone. When QLocale::toString() is given a format that includes the time zone, it thus fails to correctly reflect the locale that was asked to represent it.

is duplicated by

QTBUG-122448 Date().toLoacleTimeString() doesn't respect the locale

Closed

relates to

QTBUG-84297 QTimeZone::NameType doesn't work as documentated

Closed

QTBUG-124271 Repeatedly calling QLocale::toString with timezone is slower than it should be

Open

QTBUG-112909 Support all CLDR's various ways of naming time-zones

Open

QTBUG-68812 A new back-end for QTimeZone based on C++20 std::chrono::tzdb

Closed

resulted in

QTBUG-114914 Using QLocale to set it to English will also display Chinese

Closed

split to

QTBUG-134311 Fixed-offset QTimeZone instances fail to do L10n

Open

(1 resulted in, 1 split to)

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Assignee:: Edward Welbourne

Reporter:: Edward Welbourne

PM Owner:: Vladimir Minenko

RnD Owner:: Alex Blasche

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Created:: 10 Jul '23 11:05

Updated:: 04 Mar '25 14:38

Resolved:: 27 Aug '24 17:03

There are no open Gerrit changes

Show There are 39 closed Gerrit changes

Hide There are 39 closed Gerrit changes

Use localized time-zone abbreviations or offset: Gerrit Review:

Implement scanning of CLDR's supplemental data on meta-zones: Gerrit Review:

Check consistency of metazone data: Gerrit Review:

Extract locale-appropriate names for zones and metazones: Gerrit Review:

ldml.LocaleScanner.__find(): only Error if no matches found: Gerrit Review:

Move special-case LDML value to a module global: Gerrit Review:

Rework QTZP::displayName() to use locale and data() more: Gerrit Review:

Introduce feature timezone_locale and begin implementing it: Gerrit Review:

Decouple the TZ and ICU backends for timezone data: Gerrit Review:

Include metazone data in QTZP_data_p.h when timezone_locale is active: Gerrit Review:

Implement feature timezone_locale's CLDR half: Gerrit Review:

Move LocaleScanner's INHERIT check from find upstream to __find: Gerrit Review:

Integrate timezone data into the CLDR-via-QLocaleXml pipeline: Gerrit Review:

Move LocaleScanner's INHERIT check from find upstream to __find: Gerrit Review:

Move special-case LDML value to a module global: Gerrit Review:

ldml.LocaleScanner.__find(): only Error if no matches found: Gerrit Review:

Move special-case LDML value to a module global: Gerrit Review:

ldml.LocaleScanner.__find(): only Error if no matches found: Gerrit Review:

Move LocaleScanner's INHERIT check from find upstream to __find: Gerrit Review:

Purge an almost-redundant duplicate datetime format conversion: Gerrit Review:

Derive C locale data from en_US, overriding minor details: Gerrit Review:

Update C Locale constructor to match others on ids and codes: Gerrit Review:

Add QTimeZone::aliasMatches(): Gerrit Review:

qlocalexml2cpp.py: rework StringData handling of bit-sizes: Gerrit Review:

tst_QTZ::localeSpecificDisplayName(): expect failure when data lacking: Gerrit Review:

Move clearing of self-aliases upstream to QLocaleXmlWriter: Gerrit Review:

QLocaleXml: use tabs for indentation: Gerrit Review:

Add data for timezone L10n and enable the feature to activate it: Gerrit Review:

Reorder QTimeZonePrivate platform backend cascade to a #elif chain: Gerrit Review:

Fix naming of timezone data tables: Gerrit Review:

Add QTZ::displayName() benchmarks: Gerrit Review:

Include timezone L10n data in QLocaleXML files: Gerrit Review:

Read timezone L10n data from QLocaleXML files: Gerrit Review:

Prune timezone L10n data in preparation for writing it to C++ files: Gerrit Review:

Add QTZ::displayName() benchmarks: Gerrit Review:

Add QTZ::displayName() benchmarks: Gerrit Review:

Add QTZ::displayName() benchmarks: Gerrit Review:

Add QTZ::displayName() benchmarks: Gerrit Review:

Add QTZ::displayName() benchmarks: Gerrit Review: