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  1. Qt
  2. QTBUG-79902 QLocale: make fuller and more faithful use of the CLDR data
  3. QTBUG-112909

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

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Details

    • Technical task
    • Resolution: Unresolved
    • P3: Somewhat important
    • None
    • Core: Date/Time
    • None
    • All
    • dea91dbb5 (dev)

    Description

      There are various ways that CLDR supports identifying time-zones, such as the Windows identifiers (that we already could support – but don't, even on Windows, accept as IDs since they're not IANA IDs).
      It would make sense to support these in a cross-platform backend (or family thereof), analogous to the existing UTC and proposed POSIX one, in addition to the (eventually std::chrono:tzdb-based but, in the mean-time) platform-specific ones.
      In particular, it is possible our existing platform-specific backends support some of these names via the native APIs they call, that we should not lose when we make the transition to tzdb.

      It would be perfectly reasonable for these to only be accepted via a pseudo-constructor such as QTZ::fromWindowsId() for the Windows IDs, and similar for the other types supported by CLDR.
      See also QTBUG-112006's suggestions on pseudo-constructors and the constructor.

      Attachments

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-115158 Time zone names and abbreviations are not localised

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-84297 QTimeZone::NameType doesn't work as documentated

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed

          Task - A task that needs to be done. QTBUG-112006 Separate out POSIX zone descriptors in QTimeZone backends

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Reported

          Technical task - A technical task. QTBUG-81056 Add QDateTimeFormat based on CLDR's format strings

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Open

          Task - A task that needs to be done. QTBUG-70516 Extend Qt's support for CLDR date/time formatting

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Open

          Task - A task that needs to be done. QTBUG-68812 A new back-end for QTimeZone based on C++20 std::chrono::tzdb

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. QTBUG-79902 QLocale: make fuller and more faithful use of the CLDR data

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Open
          For Gerrit Dashboard: QTBUG-112909
          # Subject Branch Project Status CR V
          544309,37 Implement feature timezone_locale's CLDR half dev qt/qtbase Status: MERGED +2 0

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              Eddy Edward Welbourne
              Eddy Edward Welbourne
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              Dates

                Created:
                Updated:

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