CLDR 21.0.1 Release Note

The following are the files for this release. For a description of their purpose and format, see the  Key; for more details see CLDR Releases (Downloads).

No.DateRel. NoteDataSpecDeltaSVN Tag
21.0.12012-03-21Version21.0.1available via SVNLDML21.0.1Changes21.0.1release-21-0-1

Unicode CLDR 21.0.1 is an update release, with no new translations. It includes several important fixes needed primarily for the ICU 49 release, and some LDML fixes:

  • Fixes for Chinese calendar date formats
  • Adjust CLDR data for proper inheritance from root in zh_Hant and sr_Latn
  • Fix root alias for islamic-ciivil calendar to address some inheritance problems
  • Fix Lingala "phonemic" collation type to be "phonetic"
  • Restore firstDay for Ireland to be Sunday
  • Mark unparsable RBNF 
  • Convert otherNumberingSystems for ICU
  • Several LDML spec updates, including description of how to indicate an empty value
  • Update to tzdata 2012b

See the Delta link above for a full list. For more information on what else has changed since the 2.0.1 release, see the CLDR 21 Release Note.


  • The Release Note contains a general description of the contents of the release, and any relevant notes about the release.
  • The Data link points to a set of zip files containing the contents of the release (the files are complete in themselves, and do not require files from earlier releases -- for the structure of the zip file, see Repository Organization).
  • The Spec is the version of UTS #35: LDML that corresponds to the release.
  • The Delta document points to a list of all the bug fixes and features in the release, which be used to get the precise corresponding file changes using BugDiffs.)
  • The SVN Tag can be used to get the files via Repository Access.

The Unicode Terms of Use apply to CLDR data; in particular, see Exhibit 1.

For web pages with different views of CLDR data, see