0.5.46 2024-10-06

• Updated data to IANA TZDB 2024b. This only affects historical timestamps; no future timestamps have changed.

0.5.45 2024-02-04

• Updated data to IANA TZDB 2024a.

0.5.44 2023-12-29

• Updated data to IANA TZDB 2023d.
• Fixed .valueOf() to return NaN for invalid zoned objects (matching default moment) #1082.
• Performance improvements:
• Use binary search when looking up zone information #720.
• Avoid redundant checks in tz.guess().
• Avoid redundant getZone() calls in .tz().

0.5.43 2023-03-31

• Updated data to IANA TZDB 2023c

0.5.42 2023-03-24

• Updated data to IANA TZDB 2023b

0.5.41 2023-02-25

• Updated moment npm dependency to 2.29.4 to remove automated warnings about insecure dependencies. Moment Timezone still works with core Moment 2.9.0 and higher.
• Updated all dev dependencies including UglifyJS, which produces the minified builds.
• Added deprecation warning to the pre-built moment-timezone-with-data-2012-2022 bundles #1035. Use the rolling moment-timezone-with-data-10-year-range files instead.

0.5.40 2022-12-11

• Updated data to IANA TZDB 2022g

0.5.39 2022-11-13

• Updated data to IANA TZDB 2022f

0.5.38 2022-10-15

• Updated data to IANA TZDB 2022e
• Added moment.tz.dataVersion property to TypeScript definitions #930
• Removed temporary .tar.gz files from npm releases #1000

0.5.37 2022-08-25

• Re-publish npm package, because of extra folder present in 0.5.36, check https://github.com/moment/moment-timezone/issues/999

0.5.36 2022-08-25

• IANA TZDB 2022c
• improvements/fixes to data pipeline

0.5.35 2022-08-23

• Fix command injection in data pipeline https://github.com/moment/moment-timezone/security/advisories/GHSA-56x4-j7p9-fcf9
• Fix cleartext transmission of sensitive information https://github.com/moment/moment-timezone/security/advisories/GHSA-v78c-4p63-2j6c

Thanks to the OpenSSF Alpha-Omega project for reporting these!

0.5.34 2021-11-10

• Updated data to IANA TZDB 2021e

0.5.33 2021-02-06

• Updated data to IANA TZDB 2021a

0.5.32 2020-11-14

• Updated data to IANA TZDB 2020d

0.5.31 2020-05-16

• Fixed Travis builds for Node.js 4 and 6

0.5.30 2020-05-16

• Updated data to IANA TZDB 2020a
• Fixed typescript definitions

NOTE: You might need to un-install @types/moment-timezone. Check https://github.com/moment/moment-timezone/issues/858 for more info

0.5.29 2020-05-16

• Merged fix of es6 module loading issue https://github.com/moment/moment-timezone/commit/1fd42349189b24e15c60f162dc8c40b42db79dfe
• Merged PR with typescript declarations https://github.com/moment/moment-timezone/commit/ed529ea6fbcc70315c0c3f6d7c7cb70eadf56b03
• Merged fixes to changelog https://github.com/moment/moment-timezone/commit/adb7d7b43c7328d814311ac1355bfeef88eab6e8

0.5.28 2020-02-21

Merged pull request #410 from @adgrace: * Added a method moment.tz.zonesForCountry(country_code) which returns all timezones for the country * Added a method moment.tz(timezone_id).countries() to get countries for some time zone * Added a method moment.tz.countries() to get all country codes * And as you know moment.tz.zones() already exists

0.5.27 2019-10-14

• Updated data to IANA TZDB 2019c

0.5.26 2019-06-06

• Updated data to IANA TZDB 2019b
• Fix: stabilize Array.sort #762

0.5.25 2019-04-17

• Fix moment.tz.dataVersion to return 2019a #742
• Update path in bower.json

0.5.24 2019-04-17

• Updated data to IANA TZDB 2019a #737
• Start shipping both a 1970-1930 file and a rolling 10-year file #614 #697
• Fixed bug where _z time zone name was not cleared with .local() or .utcOffset(offset) #738

0.5.23 2018-10-28

• Fix minor issue with tz guessing in Russia #691

0.5.22 2018-10-28

• Updated data to IANA TZDB 2018g #689
• Fix issue with missing LMT entries for some zones, and fix data builds on Linux and Windows #308

0.5.21 2018-06-23

• Bugfix: revert breaking change introduced in 0.5.18

0.5.20 2018-06-18

• Bugfix: accidentally commented code

0.5.19 2018-06-18

• Revert: moved moment to peerDependencies

0.5.18 2018-06-18

• Return error when timezone name is not a string.
• Moved moment to peerDependencies #628
• Prefer nodejs to amd declaration #573

0.5.17 2018-05-12

• Updated data to IANA TZDB 2018d. #616

0.5.16 2018-04-18

• Fixed Etc/UTC timezone recognition, updated tests. #599
• Updated minified files to contain IANA TZDB 2018d data

0.5.15 2018-04-17

• Updated data to IANA TZDB 2018d. #596

0.5.14 2017-10-30

• Ensure Intl response is valid when guessing time zone. #553
• Updated data to IANA TZDB 2017c. #552
• Convert to tz keeping wall time #505
• Make all time zones available for guessing. #483
• zone.offset has been deprecated in favor of zone.utcOffset #398
• Check for timestamp formats when parsing #348

0.5.13 2017-04-04

• Bumped version to address Bower cache issues with last release. #474
• (No actual changes otherwise)

0.5.12 2017-04-02

• Updated data to IANA TZDB 2017b. #422
• Build the truncated data file as 2012-2022 (+/- 5 years).

0.5.11 2016-12-23

• Remove log statement when data is loaded twice. #352

0.5.10 2016-11-27

• Updated data to IANA TZDB 2016j. #422

0.5.9 2016-11-03

• Fixed the output of moment.tz.version. #413

0.5.8 2016-11-03

• Updated data to IANA TZDB 2016i. #411

0.5.7 2016-10-21

• Updated data to IANA TZDB 2016h. #403

0.5.6 2016-10-08

• Updated data to IANA TZDB 2016g. #394

0.5.5 2016-07-24

• Updated data to IANA TZDB 2016f. #360

0.5.4 2016-05-03

• Updated data to IANA TZDB 2016d. #336
• Ignore the results from Intl.DateTimeFormat().resolvedOptions().timeZone if it is undefined. #322

0.5.3 2016-03-24

• Updated data to IANA TZDB 2016c. #321

0.5.2 2016-03-15

• Updated data to IANA TZDB 2016b. #315

0.5.1 2016-03-01

• Updated data to IANA TZDB 2016a. #299
• Fixed bug when Date#toTimeString did not return a known format. #302 #303
• Added lookup on Intl.DateTimeFormat().resolvedOptions().timeZone to moment.tz.guess(). #304 #291

0.5.0 2015-12-28

• Added support for guessing the user's timezone via moment.tz.guess(). #285
• Fixed UMD export issue when there was an html element with id=exports. #275
• Removed jspm specific dependencies from package.json. #284

0.4.1 2015-10-07

• Updated data to IANA TZDB 2015e. #253
• Updated data to IANA TZDB 2015f. #253
• Updated data to IANA TZDB 2015g. #255
• Added jspm dependencies for moment. #234
• Included builds directory in npm. #237
• Removed version field from bower.json. #230

0.4.0 2015-05-30

• Updated data to IANA TZDB 2015b. #201
• Updated data to IANA TZDB 2015c. #214
• Updated data to IANA TZDB 2015d. #214
• Updated zone getter to allow lazy unpacking to improve initial page load times. #216
• Added a package.json jspm:main entry point. #194
• Added composer.json. #222
• Added an error message when trying to load moment-timezone twice. #212

0.3.1 2015-03-16

• Updated data to IANA TZDB 2015a. #183

0.3.0 2015-01-13

• Breaking: Added country data to the meta/*.json files. Restructured the data to support multiple countries per zone. #162
• Added the ability to set a default timezone for all new moments. #152
• Fixed a bug when passing a moment with an offset to moment.tz. #169
• Fixed a deprecation in moment core, changing moment#zone to moment#utcOffset. #168

0.2.5 2014-11-12

• Updated data to IANA TZDB 2014j. #151

0.2.4 2014-10-20

• Updated data to IANA TZDB 2014i. #142

0.2.3 2014-10-20

• Updated data to IANA TZDB 2014h. #141

0.2.2 2014-09-04

• Updated data to IANA TZDB 2014g. #126
• Added a warning when using moment-timezone with moment<2.6.0.

0.2.1 2014-08-02

• Fixed support for moment@2.8.1+.

0.2.0 2014-07-21

• Added the ability to configure whether ambiguous or invalid input is rolled forward or backward. #101
• Added moment>=2.6.0 as a dependency in bower.json. #107
• Fixed getting the name of a zone that was added as a linked zone. #104
• Added an error message when a zone was not loaded. #106

0.1.0 2014-06-23

• Breaking: Changed data format from Zones+Rules to just Zones. #82
• Breaking: Removed moment.tz.{addRule,addZone,zoneExists,zones} as they are no longer relevant with the new data format.
• Made library 20x faster. JSPerf results
• Completely rewrote internals to support new data format.
• Updated the data collection process to get data directly from http://www.iana.org/time-zones.
• Updated data to IANA TZDB 2014e.
• Updated bower.json to use a browser specific main: entry point.
• Added built files with included data.
• Added support for accurately parsing input around DST changes. #93
• Added comprehensive documentation at momentjs.com/timezone/docs/.
• Added moment.tz.link for linking two identical zones.
• Added moment.tz.zone for getting a loaded zone.
• Added moment.tz.load for loading a bundled version of data from the IANA TZDB.
• Added moment.tz.names for getting the names of all the loaded timezones.
• Added moment.tz.unpack and moment.tz.unpackBase60 for unpacking data.
• Added moment-timezone-utils.js for working with the packed and unpacked data.
• Fixed major memory leak. #79
• Fixed global export to allow use in web workers. #78
• Fixed global export in browser environments that define window.module. #76

0.0.6 2014-04-20

• Fixed issue with preventing loading moment-timezone more than once. #75

0.0.5 2014-04-17

• Improved performance with memoization. #39
• Published only necessary files to npm. #46
• Added better handling of timezones around DST. #53 #61 #70
• Added Browserify support. #41
• Added moment.tz.zoneExists #73
• Fixed cloning moments with a timezone. #71
• Prevent loading moment-timezone more than once. #74

0.0.3 2013-10-10

• Added Bower support.
• Added support for newer versions of moment.
• Added support for constructing a moment with a string and zone.
• Added more links and timezone names in moment-timezone.json

0.0.1 2013-07-17

• Initial version.