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first-android/vendor/bundle/ruby/2.7.0/gems/tzinfo-2.0.4/CHANGES.md

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Changes

Version 2.0.4 - 16-Dec-2020

  • Fixed an incorrect InvalidTimezoneIdentifier exception raised when loading a zoneinfo file that includes rules specifying an additional transition to the final defined offset (for example, Africa/Casablanca in version 2018e of the Time Zone Database). #123.

Version 2.0.3 - 8-Nov-2020

  • Added support for handling "slim" format zoneinfo files that are produced by default by zic version 2020b and later. The POSIX-style TZ string is now used calculate DST transition times after the final defined transition in the file. #120.
  • Fixed TimeWithOffset#getlocal returning a TimeWithOffset with the timezone_offset still assigned when called with an offset argument on JRuby 9.3.
  • Rubinius is no longer supported.

Version 2.0.2 - 2-Apr-2020

  • Fixed 'wrong number of arguments' errors when running on JRuby 9.0. #114.
  • Fixed warnings when running on Ruby 2.8. #113.

Version 2.0.1 - 24-Dec-2019

  • Fixed "SecurityError: Insecure operation - require" exceptions when loading data with recent Ruby releases in safe mode. #100.
  • Fixed warnings when running on Ruby 2.7. #109.
  • Added a TZInfo::Timezone#=~ method that performs a regex match on the time zone identifier. #99.
  • Added a TZInfo::Country#=~ method that performs a regex match on the country code.

Version 2.0.0 - 26-Dec-2018

Added

  • to_local and period_for instance methods have been added to TZInfo::Timezone. These are similar to utc_to_local and period_for_utc, but take the UTC offset of the given time into account.
  • abbreviation, dst?, base_utc_offset and observed_utc_offset instance methods have been added to TZInfo::Timezone, returning the abbreviation, whether daylight savings time is in effect and the UTC offset of the time zone at a specified time.
  • A TZInfo::Timestamp class has been added. It can be used with TZInfo::Timezone in place of a Time or DateTime.
  • local_time, local_datetime and local_timestamp instance methods have been added to TZInfo::Timezone. These methods construct local Time, DateTime and TZInfo::Timestamp instances with the correct UTC offset and abbreviation for the time zone.
  • Support for a (yet to be released) version 2 of tzinfo-data has been added, in addition to support for version 1. The new version will remove the (no longer needed) DateTime parameters from transition times, reduce memory consumption and improve the efficiency of loading timezone and country indexes.
  • A TZInfo::VERSION constant has been added, indicating the TZInfo version number.

Changed

  • The minimum supported Ruby versions are now Ruby MRI 1.9.3, JRuby 1.7 (in 1.9 or later mode) and Rubinius 3.
  • Local times are now returned using the correct UTC offset (instead of using UTC). #49 and #52.
  • Local times are returned as instances of TimeWithOffset, DateTimeWithOffset or TZInfo::TimestampWithOffset. These classes subclass Time, DateTime and TZInfo::Timestamp respectively. They override the default behaviour of the base classes to return information about the observed offset at the indicated time. For example, the zone abbreviation is returned when using the %Z directive with strftime.
  • The transitions_up_to, offsets_up_to and strftime instance methods of TZInfo::Timezone now take the UTC offsets of given times into account (instead of ignoring them as was previously the case).
  • The TZInfo::TimezonePeriod class has been split into two subclasses: TZInfo::OffsetTimezonePeriod and TZInfo::TransitionsTimezonePeriod. TZInfo::OffsetTimezonePeriod is returned for time zones that only have a single offset. TZInfo::TransitionsTimezonePeriod is returned for periods that start or end with a transition.
  • TZInfo::TimezoneOffset#abbreviation, TZInfo::TimezonePeriod#abbreviation and TZInfo::TimezonePeriod#zone_identifier now return frozen String instances instead of instances of Symbol.
  • The utc_offset and utc_total_offset attributes of TZInfo::TimezonePeriod and TZInfo::TimezoneOffset have been renamed base_utc_offset and observed_utc_offset respectively. The former names have been retained as aliases.
  • TZInfo::Timezone.get, TZInfo::Timezone.get_proxy and TZInfo::Country.get can now be used with strings having any encoding. Previously, only encodings that are directly comparable with UTF-8 were supported.
  • The requested identifier is included in TZInfo::InvalidTimezoneIdentifier exception messages.
  • The requested country code is included in TZInfo::InvalidCountryCode exception messages.
  • The full range of transitions is now loaded from zoneinfo files. Zoneinfo files produced with version 2014c of the zic tool contain an initial transition 2**63 seconds before the epoch. Zoneinfo files produced with version 2014d or later of zic contain an initial transition 2**59 seconds before the epoch. These transitions would previously have been ignored, but are now returned in methods such as TZInfo::Timezone#transitions_up_to.
  • The TZInfo::RubyDataSource and TZInfo::ZoneinfoDataSource classes have been moved into a new TZInfo::DataSources module. Code that is setting TZInfo::ZoneinfoDataSource.search_path or TZInfo::ZoneinfoDataSource.alternate_iso3166_tab_search_path will need to be updated accordingly.
  • The TZInfo::InvalidZoneinfoDirectory and TZInfo::ZoneinfoDirectoryNotFound exception classes raised by TZInfo::DataSources::ZoneinfoDataSource have been moved into the TZInfo::DataSources module.
  • Setting the data source to :ruby or instantiating TZInfo::DataSources::RubyDataSource will now immediately raise a TZInfo::DataSources::TZInfoDataNotFound exception if require 'tzinfo/data' fails. Previously, a failure would only occur later when accessing an index or loading a timezone or country.
  • The DEFAULT_SEARCH_PATH and DEFAULT_ALTERNATE_ISO3166_TAB_SEARCH_PATH constants of TZInfo::DataSources::ZoneinfoDataSource have been made private.
  • The TZInfo::Country.data_source, TZInfo::DataSource.create_default_data_source, TZInfo::DataSources::ZoneinfoDataSource.process_search_path, TZInfo::Timezone.get_proxies and TZInfo::Timezone.data_source methods have been made private.
  • The performance of loading zoneinfo files and the associated indexes has been improved.
  • Memory use has been decreased by deduplicating String instances when loading country and time zone data.
  • The dependency on the deprecated thread_safe gem as been removed and replaced by concurrent-ruby.
  • The Info classes used to return time zone and country information from TZInfo::DataSource implementations have been moved into the TZInfo::DataSources module.
  • The TZInfo::TransitionDataTimezoneInfo class has been removed and replaced with TZInfo::DataSources::TransitionsDataTimezoneInfo and TZInfo::DataSources::ConstantOffsetDataTimezoneInfo. TZInfo::DataSources::TransitionsDataTimezoneInfo is constructed with an Array of TZInfo::TimezoneTransition instances representing times when the offset changes. TZInfo::DataSources::ConstantOffsetDataTimezoneInfo is constructed with a TZInfo::TimezoneOffset instance representing the offset constantly observed in a time zone.
  • The TZInfo::DataSource#timezone_identifiers method should no longer be overridden in custom data source implementations. The implementation in the base class now calculates a result from TZInfo::DataSource#data_timezone_identifiers and TZInfo::DataSource#linked_timezone_identifiers.
  • The results of the TZInfo::DataSources::RubyDataSource to_s and inspect methods now include the time zone database and tzinfo-data versions.

Removed

  • Methods of TZInfo::Timezone that accept time arguments no longer allow Integer timestamp values. Time, DateTime or TZInfo::Timestamp values or objects that respond to to_i, subsec and optionally utc_offset must be used instead.
  • The %:::z format directive can now only be used with TZInfo::Timezone#strftime if it is supported by Time#strftime on the runtime platform.
  • Using TZInfo::Timezone.new(identifier) and TZInfo::Country.new(code) to obtain a specific TZInfo::Timezone or TZInfo::Country will no longer work. TZInfo::Timezone.get(identifier) and TZInfo::Country.get(code) should be used instead.
  • The TZInfo::TimeOrDateTime class has been removed.
  • The valid_for_utc?, utc_after_start?, utc_before_end?, valid_for_local?, local_after_start? and local_before_end? instance methods of TZInfo::TimezonePeriod have been removed. Comparisons can be performed with the results of the starts_at, ends_at, local_starts_at and local_ends_at methods instead.
  • The to_local and to_utc instance methods of TZInfo::TimezonePeriod and TZInfo::TimezoneOffset have been removed. Conversions should be performed using the TZInfo::Timezone class instead.
  • The TZInfo::TimezonePeriod#utc_total_offset_rational method has been removed. Equivalent information can be obtained using the TZInfo::TimezonePeriod#observed_utc_offset method.
  • The datetime, time, local_end, local_end_time, local_start and local_start_time instance methods of TZInfo::TimezoneTransition have been removed. The at, local_end_at and local_start_at methods should be used instead and the result (a TZInfo::TimestampWithOffset) converted to either a DateTime or Time by calling to_datetime or to_time on the result.
  • The us_zones and us_zone_identifiers class methods of TZInfo::Timezone have been removed. TZInfo::Country.get('US').zones and TZInfo::Country.get('US').zone_identifiers should be used instead.

Version 1.2.9 - 16-Dec-2020

  • Fixed an incorrect InvalidTimezoneIdentifier exception raised when loading a zoneinfo file that includes rules specifying an additional transition to the final defined offset (for example, Africa/Casablanca in version 2018e of the Time Zone Database). #123.

Version 1.2.8 - 8-Nov-2020

  • Added support for handling "slim" format zoneinfo files that are produced by default by zic version 2020b and later. The POSIX-style TZ string is now used calculate DST transition times after the final defined transition in the file. The 64-bit section is now always used regardless of whether Time has support for 64-bit times. #120.
  • Rubinius is no longer supported.

Version 1.2.7 - 2-Apr-2020

  • Fixed 'wrong number of arguments' errors when running on JRuby 9.0. #114.
  • Fixed warnings when running on Ruby 2.8. #112.

Version 1.2.6 - 24-Dec-2019

  • Timezone#strftime('%s', time) will now return the correct number of seconds since the epoch. #91.
  • Removed the unused TZInfo::RubyDataSource::REQUIRE_PATH constant.
  • Fixed "SecurityError: Insecure operation - require" exceptions when loading data with recent Ruby releases in safe mode.
  • Fixed warnings when running on Ruby 2.7. #106 and #111.

Version 1.2.5 - 4-Feb-2018

  • Support recursively (deep) freezing Country and Timezone instances. #80.
  • Allow negative daylight savings time offsets to be derived when reading from zoneinfo files. The utc_offset and std_offset are now derived correctly for Europe/Dublin in the 2018a and 2018b releases of the Time Zone Database.

Version 1.2.4 - 26-Oct-2017

  • Ignore the leapseconds file that is included in zoneinfo directories installed with version 2017c and later of the Time Zone Database.

Version 1.2.3 - 25-Mar-2017

  • Reduce the number of String objects allocated when loading zoneinfo files. #54.
  • Make Timezone#friendly_identifier compatible with frozen string literals.
  • Improve the algorithm for deriving the utc_offset from zoneinfo files. This now correctly handles Pacific/Apia switching from one side of the International Date Line to the other whilst observing daylight savings time. #66.
  • Fix an UnknownTimezone exception when calling transitions_up_to or offsets_up_to on a TimezoneProxy instance obtained from Timezone.get_proxy.
  • Allow the Factory zone to be obtained from the Zoneinfo data source.
  • Ignore the /usr/share/zoneinfo/timeconfig symlink included in Slackware distributions. #64.
  • Fix Timezone#strftime handling of %Z expansion when %Z is prefixed with more than one percent. #31.
  • Support expansion of %z, %:z, %::z and %:::z to the UTC offset of the time zone in Timezone#strftime. #31 and #67.

Version 1.2.2 - 8-Aug-2014

  • Fix an error with duplicates being returned by Timezone#all_country_zones and Timezone#all_country_zone_identifiers when used with tzinfo-data v1.2014.6 or later.
  • Use the zone1970.tab file for country timezone data if it is found in the zoneinfo directory (and fallback to zone.tab if not). zone1970.tab was added in tzdata 2014f. zone.tab is now deprecated.

Version 1.2.1 - 1-Jun-2014

  • Support zoneinfo files generated with zic version 2014c and later.
  • On platforms that only support positive 32-bit timestamps, ensure that conversions are accurate from the epoch instead of just from the first transition after the epoch.
  • Minor documentation improvements.

Version 1.2.0 - 26-May-2014

  • Raise the minimum supported Ruby version to 1.8.7.
  • Support loading system zoneinfo data on FreeBSD, OpenBSD and Solaris. Resolves #15.
  • Add canonical_identifier and canonical_zone methods to Timezone. Resolves #16.
  • Add a link to a DataSourceNotFound help page in the TZInfo::DataSourceNotFound exception message.
  • Load iso3166.tab and zone.tab files as UTF-8.
  • Fix Timezone#local_to_utc returning local Time instances on systems using UTC as the local time zone. Resolves #13.
  • Fix == methods raising an exception when passed an instance of a different class by making <=> return nil if passed a non-comparable argument.
  • Eliminate require 'rational' warnings. Resolves #10.
  • Eliminate "assigned but unused variable - info" warnings. Resolves #11.
  • Switch to minitest v5 for unit tests. Resolves #18.

Version 1.1.0 - 25-Sep-2013

  • TZInfo is now thread safe. ThreadSafe::Cache is now used instead of Hash to cache Timezone and Country instances returned by Timezone.get and Country.get. The tzinfo gem now depends on thread_safe ~> 0.1.
  • Added a transitions_up_to method to Timezone that returns a list of the times where the UTC offset of the timezone changes.
  • Added an offsets_up_to method to Timezone that returns the set of offsets that have been observed in a defined timezone.
  • Fixed a "can't modify frozen String" error when loading a Timezone from a zoneinfo file using an identifier String that is both tainted and frozen. Resolves #3.
  • Support TZif3 format zoneinfo files (now produced by zic from tzcode version 2013e onwards).
  • Support using YARD to generate documentation (added a .yardopts file).
  • Ignore the +VERSION file included in the zoneinfo directory on Mac OS X.
  • Added a note to the documentation concerning 32-bit zoneinfo files (as included with Mac OS X).

Version 1.0.1 - 22-Jun-2013

  • Fix a test case failure when tests are run from a directory that contains a dot in the path (issue #29751).

Version 1.0.0 - 2-Jun-2013

  • Allow TZInfo to be used with different data sources instead of just the built-in Ruby module data files.
  • Include a data source that allows TZInfo to load data from the binary zoneinfo files produced by zic and included with many Linux and Unix-like distributions.
  • Remove the definition and index Ruby modules from TZInfo and move them into a separate TZInfo::Data library (available as the tzinfo-data gem).
  • Default to using the TZInfo::Data library as the data source if it is installed, otherwise use zoneinfo files instead.
  • Preserve the nanoseconds of local timezone Time objects when performing conversions (issue #29705).
  • Don't add the tzinfo lib directory to the search path when requiring 'tzinfo'. The tzinfo lib directory must now be in the search path before 'tzinfo' is required.
  • Add utc_start_time, utc_end_time, local_start_time and local_end_time instance methods to TimezonePeriod. These return an identical value as the existing utc_start, utc_end, local_start and local_end methods, but return Time instances instead of DateTime.
  • Make the start_transition, end_transition and offset properties of TimezonePeriod protected. To access properties of the period, callers should use other TimezonePeriod instance methods instead (issue #7655).

Version 0.3.58 (tzdata v2020d) - 8-Nov-2020

Version 0.3.57 (tzdata v2020a) - 17-May-2020

Version 0.3.56 (tzdata v2019c) - 1-Nov-2019

Version 0.3.55 (tzdata v2018g) - 27-Oct-2018

Version 0.3.54 (tzdata v2018d) - 25-Mar-2018

Version 0.3.53 (tzdata v2017b) - 23-Mar-2017

Version 0.3.52 (tzdata v2016h) - 28-Oct-2016

Version 0.3.51 (tzdata v2016f) - 5-Jul-2016

Version 0.3.50 (tzdata v2016e) - 14-Jun-2016

Version 0.3.49 (tzdata v2016d) - 18-Apr-2016

Version 0.3.48 (tzdata v2016c) - 23-Mar-2016

Version 0.3.47 (tzdata v2016b) - 15-Mar-2016

Version 0.3.46 (tzdata v2015g) - 2-Dec-2015

  • From version 2015e, the IANA time zone database uses non-ASCII characters in country names. Backport the encoding handling from TZInfo::Data to allow TZInfo 0.3.x to support Ruby 1.9 (which would otherwise fail with an invalid byte sequence error when loading the countries index). Resolves #41.

Version 0.3.45 (tzdata v2015g) - 3-Oct-2015

Version 0.3.44 (tzdata v2015d) - 24-Apr-2015

Version 0.3.43 (tzdata v2015a) - 31-Jan-2015

Version 0.3.42 (tzdata v2014i) - 23-Oct-2014

Version 0.3.41 (tzdata v2014f) - 8-Aug-2014

Version 0.3.40 (tzdata v2014e) - 10-Jul-2014

Version 0.3.39 (tzdata v2014a) - 9-Mar-2014

Version 0.3.38 (tzdata v2013g) - 8-Oct-2013

Version 0.3.37 (tzdata v2013b) - 11-Mar-2013

Version 0.3.36 (tzdata v2013a) - 3-Mar-2013

  • Updated to tzdata version 2013a (https://mm.icann.org/pipermail/tz-announce/2013-March/000009.html).
  • Fix TimezoneTransitionInfo#eql? incorrectly returning false when running on Ruby 2.0.
  • Change eql? and == implementations to test the class of the passed in object instead of checking individual properties with respond_to?.

Version 0.3.35 (tzdata v2012i) - 4-Nov-2012

Version 0.3.34 (tzdata v2012h) - 27-Oct-2012

Version 0.3.33 (tzdata v2012c) - 8-Apr-2012

Version 0.3.32 (tzdata v2012b) - 4-Mar-2012

Version 0.3.31 (tzdata v2011n) - 6-Nov-2011

Version 0.3.30 (tzdata v2011k) - 29-Sep-2011

Version 0.3.29 (tzdata v2011h) - 27-Jun-2011

  • Updated to tzdata version 2011h (https://mm.icann.org/pipermail/tz/2011-June/008576.html).
  • Allow the default value of the local_to_utc and period_for_local dst parameter to be specified globally with a Timezone.default_dst attribute. Thanks to Kurt Werle for the suggestion and patch.

Version 0.3.28 (tzdata v2011g) - 13-Jun-2011

  • Add support for Ruby 1.9.3 (trunk revision 31668 and later). Thanks to Aaron Patterson for reporting the problems running on the new version. Closes #29233.

Version 0.3.27 (tzdata v2011g) - 26-Apr-2011

Version 0.3.26 (tzdata v2011e) - 2-Apr-2011

Version 0.3.25 (tzdata v2011d) - 14-Mar-2011

Version 0.3.24 (tzdata v2010o) - 15-Jan-2011

Version 0.3.23 (tzdata v2010l) - 19-Aug-2010

Version 0.3.22 (tzdata v2010j) - 29-May-2010

  • Corrected file permissions issue with 0.3.21 release.

Version 0.3.21 (tzdata v2010j) - 28-May-2010

  • Updated to tzdata version 2010j (https://mm.icann.org/pipermail/tz/2010-May/016211.html).
  • Change invalid timezone check to exclude characters not used in timezone identifiers and avoid 'character class has duplicated range' warnings with Ruby 1.9.2.
  • Ruby 1.9.2 has deprecated require 'rational', but older versions of Ruby need rational to be required. Require rational only when the Rational module has not already been loaded.
  • Remove circular requires (now a warning in Ruby 1.9.2). Instead of using requires in each file for dependencies, tzinfo.rb now requires all tzinfo files. If you were previously requiring files within the tzinfo directory (e.g. require 'tzinfo/timezone'), then you will now have to require 'tzinfo' instead.

Version 0.3.20 (tzdata v2010i) - 19-Apr-2010

Version 0.3.19 (tzdata v2010h) - 5-Apr-2010

Version 0.3.18 (tzdata v2010g) - 29-Mar-2010

Version 0.3.17 (tzdata v2010e) - 8-Mar-2010

Version 0.3.16 (tzdata v2009u) - 5-Jan-2010

Version 0.3.15 (tzdata v2009p) - 26-Oct-2009

Version 0.3.14 (tzdata v2009l) - 19-Aug-2009

Version 0.3.13 (tzdata v2009f) - 15-Apr-2009

Version 0.3.12 (tzdata v2008i) - 12-Nov-2008

Version 0.3.11 (tzdata v2008g) - 7-Oct-2008

  • Updated to tzdata version 2008g (https://mm.icann.org/pipermail/tz/2008-October/015139.html).
  • Support Ruby 1.9.0-5. Rational.new! has now been removed in Ruby 1.9. Only use Rational.new! if it is available (it is preferable in Ruby 1.8 for performance reasons). Thanks to Jeremy Kemper and Pratik Naik for reporting this. Closes #22312.
  • Apply a patch from Pratik Naik to replace assert calls that have been deprecated in the Ruby svn trunk. Closes #22308.

Version 0.3.10 (tzdata v2008f) - 16-Sep-2008

Version 0.3.9 (tzdata v2008c) - 27-May-2008

  • Updated to tzdata version 2008c (https://mm.icann.org/pipermail/tz/2008-May/014956.html).
  • Support loading timezone data in the latest trunk versions of Ruby 1.9. Rational.new! is now private, so call it using Rational.send :new! instead. Thanks to Jeremy Kemper and Pratik Naik for spotting this. Closes #19184.
  • Prevent warnings from being output when running Ruby with the -v or -w command line options. Thanks to Paul McMahon for the patch. Closes #19719.

Version 0.3.8 (tzdata v2008b) - 24-Mar-2008

  • Updated to tzdata version 2008b (https://mm.icann.org/pipermail/tz/2008-March/014910.html).
  • Support loading timezone data in Ruby 1.9.0. Use DateTime.new! if it is available instead of DateTime.new0 when constructing transition times. DateTime.new! was added in Ruby 1.8.6. DateTime.new0 was removed in Ruby 1.9.0. Thanks to Joshua Peek for reporting this. Closes #17606.
  • Modify some of the equality test cases to cope with the differences between Ruby 1.8.6 and Ruby 1.9.0.

Version 0.3.7 (tzdata v2008a) - 10-Mar-2008

Version 0.3.6 (tzdata v2007k) - 1-Jan-2008

Version 0.3.5 (tzdata v2007h) - 1-Oct-2007

Version 0.3.4 (tzdata v2007g) - 21-Aug-2007

Version 0.3.3 (tzdata v2006p) - 27-Nov-2006

Version 0.3.2 (tzdata v2006n) - 11-Oct-2006

Version 0.3.1 (tzdata v2006j) - 21-Aug-2006

Version 0.3.0 (tzdata v2006g) - 17-Jul-2006

  • New timezone data format. Timezone data now occupies less space on disk and takes less memory once loaded. #4142, #4144.
  • Timezone data is defined in modules rather than classes. Timezone instances returned by Timezone.get are no longer instances of data classes, but are instead instances of new DataTimezone and LinkedTimezone classes.
  • Timezone instances can now be used with Marshal.dump and Marshal.load. #4240.
  • Added a Timezone.get_proxy method that returns a TimezoneProxy object for a given identifier.
  • Country index data is now defined in a single module that is independent of the Country class implementation.
  • Country instances can now be used with Marshal.dump and Marshal.load. #4240.
  • Country has a new zone_info method that returns CountryTimezone objects containing additional information (latitude, longitude and a description) relating to each Timezone. #4140.
  • Time zones within a Country are now returned in an order that makes geographic sense.
  • The zdumptest utility now checks local to utc conversions in addition to utc to local conversions.
  • eql? method defined on Country and Timezone that is equivalent to ==.
  • The == method of Timezone no longer raises an exception when passed an object with no identifier method.
  • The == method of Country no longer raises an exception when passed an object with no code method.
  • hash method defined on Country that returns the hash of the code.
  • hash method defined on Timezone that returns the hash of the identifier.
  • Miscellaneous API documentation corrections and improvements.
  • Timezone definition and indexes are now excluded from rdoc (the contents were previously ignored with #:nodoc: anyway).
  • Removed no longer needed #:nodoc: directives from timezone data files (which are now excluded from the rdoc build).
  • Installation of the gem now causes rdoc API documentation to be generated. #4905.
  • When optimizing transitions to generate zone definitions, check the UTC and standard offsets separately rather than just the total offset to UTC. Fixes an incorrect abbreviation issue with Europe/London, Europe/Dublin and Pacific/Auckland.
  • Eliminated unnecessary .nil? calls to give a minor performance gain.
  • Timezone.all and Timezone.all_identifiers now return all the Timezone instances/identifiers rather than just those associated with countries. #4146.
  • Added all_data_zones, all_data_zone_identifiers, all_linked_zones and all_linked_zone_identifiers class methods to Timezone.
  • Added a strftime method to Timezone that converts a time in UTC to local time and then returns it formatted. %Z is replaced with the timezone abbreviation for the given time (for example, EST or EDT). #4143.
  • Fix escaping of quotes in TZDataParser. This affected country names and descriptions of time zones within countries.

Version 0.2.2 (tzdata v2006g) - 17-May-2006

  • Use class-scoped instance variables to store the Timezone identifier and singleton instance. Loading a linked zone no longer causes the parent zone's identifier to be changed. The instance method of a linked zone class also now returns an instance of the linked zone class rather than the parent class. #4502.
  • The zdumptest utility now compares the TZInfo zone identifier with the zdump zone identifier.
  • The zdumptestall utility now exits if not supplied with enough parameters.
  • Updated to tzdata version 2006g (https://mm.icann.org/pipermail/tz/2006-May/013590.html).

Version 0.2.1 (tzdata v2006d) - 17-Apr-2006

  • Fix a performance issue caused in 0.2.0 with Timezone.local_to_utc. Conversions performed on TimeOrDateTime instances passed to <=> are now cached as originally intended. Thanks to Michael Smedberg for spotting this.

  • Fix a performance issue with the local_to_utc period search algorithm originally implemented in 0.1.0. The condition that was supposed to cause the search to terminate when enough periods had been found was only being evaluated in a small subset of cases. Thanks to Michael Smedberg and Jamis Buck for reporting this.

  • Added abbreviation as an alias for TimezonePeriod.zone_identifier.

  • Updated to tzdata version 2006d (https://mm.icann.org/pipermail/tz/2006-April/013517.html).

  • Ignore any offset in DateTime instances passed in (as is already done for Time instances). All of the following now refer to the same UTC time (15:40 on 17 April 2006). Previously, the DateTime in the second line would have been interpreted as 20:40.

    tz.utc_to_local(DateTime.new(2006, 4, 17, 15, 40, 0))
tz.utc_to_local(DateTime.new(2006, 4, 17, 15, 40, 0).new_offset(Rational(5, 24)))
tz.utc_to_local(Time.utc(2006, 4, 17, 15, 40, 0))
tz.utc_to_local(Time.local(2006, 4, 17, 15, 40, 0))

Version 0.2.0 (tzdata v2006c) - 3-Apr-2006

  • Use timestamps rather than DateTime objects in zone files for times between 1970 and 2037 (the range of Time).
  • Don't convert passed in Time objects to DateTime in most cases (provides a substantial performance improvement).
  • Allow integer timestamps (time in seconds since 1970-1-1) to be used as well as Time and DateTime objects in all public methods that take times as parameters.
  • Tool to compare TZInfo conversions with output from zdump.
  • TZDataParser zone generation algorithm rewritten. Now based on the zic code. TZInfo is now 100% compatible with zic/zdump output.
  • Riyadh Solar Time zones now included again (generation time has been reduced with TZDataParser changes).
  • Use binary mode when writing zone and country files to get Unix (\n) new lines.
  • Omit unnecessary quotes in zone identifier symbols.
  • Omit the final transition to DST if there is a prior transition in the last year processed to standard time.
  • Updated to tzdata version 2006c (https://mm.icann.org/pipermail/tz/2006-April/013500.html).

Version 0.1.2 (tzdata v2006a) - 5-Feb-2006

  • Add lib directory to the load path when tzinfo is required. Makes it easier to use tzinfo gem when unpacked to vendor directory in rails.
  • Updated to tzdata version 2006a (https://mm.icann.org/pipermail/tz/2006-January/013311.html).
  • build_tz_classes rake task now handles running svn add and svn delete as new time zones and countries are added and old ones are removed.
  • Return a better error when attempting to use a Timezone instance that was constructed with Timezone.new(nil). This will occur when using Rails' composed_of. When the timezone identifier in the database is null, attempting to use the Timezone will now result in an UnknownTimezone exception rather than a NameError.

Version 0.1.1 (tzdata v2005q) - 18-Dec-2005

  • Time zones that are defined by a single unbounded period (e.g. UTC) now work again.
  • Updated to tzdata version 2005q.

Version 0.1.0 (tzdata v2005n) - 27-Nov-2005

  • period_for_local and local_to_utc now allow resolution of ambiguous times (e.g. when switching from daylight savings to standard time). The behaviour of these methods when faced with an ambiguous local time has now changed. If you are using these methods you should check the documentation. Thanks to Cliff Matthews for suggesting this change.
  • Added require 'date' to timezone.rb (date isn't loaded by default in all environments).
  • Use rake to build packages and documentation.
  • License file is now included in gem distribution.
  • Dates in definitions stored as Astronomical Julian Day numbers rather than as civil dates (improves performance creating DateTime instances).
  • Added options to TZDataParser to allow generation of specific zones and countries.
  • Moved TimezonePeriod class to timezone_period.rb.
  • New TimezonePeriodList class to store TimezonePeriod instances for a timezone and perform searches for periods.
  • Time zones are now defined using blocks. TimezonePeriod instances are only created when they are needed. Thanks to Jamis Buck for the suggestion.
  • Add options to TZDataParser to allow exclusion of specific zones and countries.
  • Exclude the Riyadh Solar Time zones. The rules are only for 1987 to 1989 and take a long time to generate and process. Riyadh Solar Time is no longer observed.
  • The last TimezonePeriod for each Timezone is now written out with an unbounded rather than arbitrary end time.
  • Construct the Rational offset in TimezonePeriod once when the TimezonePeriod is constructed rather than each time it is needed.
  • Timezone and Country now keep a cache of loaded instances to avoid running require which can be slow on some platforms.
  • Updated to tzdata version 2005n.

Version 0.0.4 (tzdata v2005m) - 18-Sep-2005

  • Removed debug output accidentally included in the previous release.
  • Fixed a bug in the generation of friendly zone identifiers (was inserting apostrophes into UTC, GMT, etc).
  • Fixed Country <=> operator (was comparing non-existent attribute)
  • Fixed Timezone.period_for_local error when period not found.
  • Added test cases for Timezone, TimezoneProxy, TimezonePeriod, Country and some selected time zones.

Version 0.0.3 (tzdata v2005m) - 17-Sep-2005

  • Reduced visibility of some methods added in Timezone#setup and Country#setup.
  • Added name method to Timezone (returns the identifier).
  • Added friendly_identifier method to Timezone. Returns a more friendly version of the identifier.
  • Added to_s method to Timezone. Returns the friendly identifier.
  • Added == and <=> operators to Timezone (compares identifiers).
  • Timezone now includes Comparable.
  • Added to_s method to Country.
  • Added == and <=> operators to Country (compares ISO 3166 country codes).
  • Country now includes Comparable.
  • New TimezoneProxy class that behaves the same as a Timezone but doesn't actually load in its definition until it is actually required.
  • Modified Timezone and Country methods that return Timezone instances to return TimezoneProxy instances instead. This makes these methods much quicker.

In Ruby on Rails, you can now show a drop-down list of all time zones using the Rails time_zone_select helper method:

<%= time_zone_select 'user', 'time_zone', TZInfo::Timezone.all.sort, :model => TZInfo::Timezone %>

Version 0.0.2 (tzdata v2005m) - 13-Sep-2005

  • Country and Timezone data is now loaded into class rather than instance variables. This makes Timezone links more efficient and saves memory if creating specific Timezone and Country classes directly.
  • TimezonePeriod zone_identifier is now defined as a symbol to save memory (was previously a string).
  • TimezonePeriod zone_identifiers that were previously '' are now :Unknown.
  • Timezone and Country instances can now be returned using Timezone.new(identifier) and Country.new(identifier). When passed an identifier, the new method calls get to return an instance of the specified timezone or country.
  • Added new class methods to Timezone to return sets of zones and identifiers.

Thanks to Scott Barron of Lunchbox Software for the suggestions in his article about using TZInfo with Rails (https://web.archive.org/web/20060425190845/http://lunchroom.lunchboxsoftware.com/pages/tzinfo_rails)

Version 0.0.1 (tzdata v2005m) - 29-Aug-2005

  • First release.