timezone_provider

What's Changed in v0.2.4

• ZonedDateTime backward shift spec change by @Manishearth in #725
• Fix ComputeNudgeWindow startEpochNs computation to check full startDateDuration sign by @Manishearth in #723

Full Changelog: v0.2.3...v0.2.4

This release updates icu_calendar to 2.2.1, bringing in a fix for a major regression. It also updates the zoneinfo64 and diplomat dependencies.

What's Changed in v0.2.3

• Update zoneinfo64 and Diplomat by @Manishearth in #713
• Update icu_calendar to fix with() regression by @Manishearth in #716

Full Changelog: v0.2.2...v0.2.3

This release updates to ICU4X 2.2.0, bringing us spec fixes from ICU4X as well as updating to the first stable ICU4X release to contain all the calendar APIs we need.

What's Changed

• Update ICU4X to 2.2 by @Manishearth in #705
• Prep for release v0.2.2 by @nekevss in #707

Full Changelog: v0.2.1...v0.2.2

This release contains a bug fix for breakage caused by depending on unstable features from icu_calendar without pinning its version. If you were affected by this issue, this version should be automatically pulled by cargo. Sorry for the trouble!

It also contains several bug fixes, internal improvements, new APIs (epoch_ns_for_utc) and new FFI-exposed APIs (reference_day and month).

What's Changed in v0.2.1

Bug Fixes

• Do not overly range check when constructing Temporal PlainMonthDay by @Manishearth in #695
• Ensure offsets do not have more than 9 digits while parsing by @Manishearth in #698
• Pin icu_calendar to v2.1 by @jedel1043 in #704

Other Changes

• chore(dependabot): bump baptiste0928/cargo-install from 3.3.2 to 3.4.0 in the ci-dependencies group by @dependabot[bot] in #683
• Expose fields needed for structured clone by @lucacasonato in #686
• docs: temporal is stage four by @ghostdevv in #692
• Replace icu_locale with icu_locale_core by @Manishearth in #694
• Add epoch_ns_for_utc to all Plain APIs by @Manishearth in #700
• Fix bug with rounding with zoned RelativeTo and increment by @Manishearth in #696
• Remove unwrap in PYM::epoch_ns_for_utc by @Manishearth in #701

New Contributors

• @lucacasonato made their first contribution in #686
• @ghostdevv made their first contribution in #692

Full Changelog: v0.2.0...v0.2.1

The v0.2.0 release is here!

This release contains a few bugs fixes to increase conformance for new conformance tests, a new experimental time zone provider, a v0.1.0 release for the zoneinfo_rs crate, and includes a few new APIs.

What's Changed in v0.2.0

• Fix incorrect decimal digits bug by @nekevss in #679
• Update the documentation by @nekevss in #680
• chore: cleanup zoneinfo_rs crate by @nekevss in #674
• Test time zone canonicalization against ICU4X by @robertbastian in #676
• Fix Sao Paulo bug in zoneinfo_rs by @nekevss in #663
• Implement a zero copy tzdb provider by @nekevss in #662
• Restrict the units that can be added to PlainYearMonth by @Manishearth in #671
• Fix Duration out of bounds crash by @Manishearth in #667
• Implement std::error::Error for TemporalError by @LeandroVandari in #664
• Rebuild time zone data with 2025c by @nekevss in #660
• Add support for time zone designations by @nekevss in #659
• Fix bug in POSIX time zone calculations by @nekevss in #658
• Add two different HostHook impls by @nekevss in #591
• Add NonZeroSign type to ensure proper sign handling by @nekevss in #652
• Update to new ComputeNudgeWindow spec text by @Manishearth in #636
• Fix ZonedDateTime::with bug when empty fields is provided by @nekevss in #650
• Add manual PartialOrd impl for FiniteF64 by @nekevss in #649
• Correct sign in nudge_to_zoned_time by @catamorphism in #647
• YearMonth addition: Use ISO parameters, not calendared parameters, when subtracting by @Manishearth in #645
• Fix typo in doc string by @catamorphism in #639
• Set YearMonth's day to 1 in calendar space when diffing by @Manishearth in #640
• unify iso naming in Now by @Sharktheone in #631
• Style updates by @Sharktheone in #632
• Use all-features for timezone_provider on docs.rs by @Manishearth in #630
• remove unneeded clone in TzdbResolver::get by @Sharktheone in #628
• Attempt to handle the "completely contained within" timezone rule by @Manishearth in #629
• Reject on empty fields object in PlainYearMonth::with by @nekevss in #626

New Contributors

• @robertbastian made their first contribution in #676
• @LeandroVandari made their first contribution in #664
• @catamorphism made their first contribution in #647

Full Changelog: v0.1.2...v0.2.0

The v0.1.2 release of temporal_rs is here!

This brings a bunch of fixes for full test262 compatability.

temporal_rs-based implementations should now be able to achieve 100% test262 coverage, barring bugs in their integration code or the testsuite itself.

What's Changed in v0.1.1

• Publish 0.1.2 by @Manishearth in #625
• Ignore timezones mentioned in zone.tab when constructing the canonicalization table by @Manishearth in #624
• Add logic to Duration::total to handle loss of precision by @nekevss in #622
• Add feature to force float64-representable durations by @Manishearth in #621
• Updates for ZonedDateTime since / until issue by @Manishearth in #619
• Fix returned duration sign for non-ISO date arithmetic by @Manishearth in #618
• Constrain durations into a range that will produce valid Temporal dates before passing to ICU4X by @Manishearth in #615
• Add smart pointer implementations for TimeZone traits by @jedel1043 in #614
• Fix serialization of durations with zero seconds and nonzero subseconds by @ptomato in #610
• Remove support for unqualified islamic calendar by @Manishearth in #609
• Make ISO the default AnyCalendarKind over FFI by @Manishearth in #608

Full Changelog: v0.1.1...v0.1.2

The v0.1 release of temporal_rs is here!

The main change is that we now properly support arithmetic and fields constraining on all non-Gregorian calendars.

What's Changed in v0.1.1

• Publish 0.1.1 by @Manishearth in #605
• fix: allow passing &dyn TimeZoneProvider in arguments by @jedel1043 in #599
• Update ICU4X to 2.1 by @Manishearth in #604
• Update Diplomat to 0.14.0 by @Manishearth in #603
• Update ICU4X by @Manishearth in #601
• Move to new ICU4X arithmetic code by @Manishearth in #595
• Update to ICU4X main by @Manishearth in #596
• Remove HijriSimulatedMecca / islamic-rgsa by @Manishearth in #597
• Fix a small typo in errors by @reillysiemens in #594
• Update to ICU4X's new Calendar::from_fields by @Manishearth in #582
• re-export DefaultHostSystem by @Sharktheone in #590

New Contributors

• @reillysiemens made their first contribution in #594
• @Sharktheone made their first contribution in #590

Full Changelog: v0.1.0...v0.1.1

The v0.1 release of Temporal_rs is here!

It's been a lot of work to this release. Thanks again to everyone who has contributed to temporal_rs! 😄

What's Changed in v0.1.0

• Update Diplomat to 0.13.0 by @Manishearth in #588
• Add TryFrom for PartialDuration to Duration by @nekevss in #585
• Add missing from_epoch_nanoseconds() FFI by @linusg in #584
• Add from_nanoseconds to FFI PlainDateTime by @nekevss in #583
• Update diplomat to using cpp lib name by @Manishearth in #581
• Fix TimeZone::get_possible_epoch_ns at date-time limits by @ptomato in #580
• Rename timezone.rs to time_zone.rs by @nekevss in #574
• General updates to temporal_rs's exports and docs by @nekevss in #575
• Review Instant API + Duration by @nekevss in #573
• Make TimeZone no longer allocate over FFI by @Manishearth in #572
• Update the library introduction and README for timezone_provider by @nekevss in #570
• Add a minimal README for zoneinfo_rs by @nekevss in #569
• Remove passing lint allows by @Manishearth in #571
• Updates to PlainYearMonth and PlainMonthDay based on review by @nekevss in #567
• Update library introduction documentation and the project README.md by @nekevss in #564
• Updates to PlainTime API based on review by @nekevss in #565
• Make ISO getters crate private by @nekevss in #568
• Handle und month codes by @Manishearth in #563
• Update ZonedDateTime constructors by @nekevss in #562
• Review and update PlainDate and PlainDateTime API by @nekevss in #561
• Refactor Now to be trait based for lazy host getters by @nekevss in #560
• Fix comment and organization of TimeZone::zero by @Manishearth in #559
• Update ZonedDateTime module and API by @nekevss in #557
• Remove yoke dep from temporal_capi by @Manishearth in #556

New Contributors

• @ptomato made their first contribution in #580

Full Changelog: v0.0.16...v0.1.0

• Bump versions to 0.0.16
• Remove extraneous icu_time dependency
• Add TimeZone::zero() to capi by @Manishearth in #554

Full Changelog: https://github.com/boa-dev/temporal/compare/v0.0.15...v0.0.16

• Bump versions
• Update zoneinfo64 by @Manishearth in #552
• Remove Default impl from TimeZone; use utc() everywhere by @Manishearth in #551
• Add missing header files by @Manishearth in #550
• Add provider APIs to capi by @Manishearth in #544
• Add new unit validation code by @Manishearth in #542
• Add calendar consts for calendar construction by @nekevss in #541
• Remove some unreachables by @Manishearth in #543
• Move timezone tests to testing against multiple providers by @Manishearth in #539
• Move TimeZone over to being Copy with TimeZoneId by @Manishearth in #538
• Split TimeZoneProvider trait by @Manishearth in #537
• Update compiled tzif data provider data by @nekevss in #535
• Add zoneinfo64 support to temporal_provider by @Manishearth in #533
• Update zoneinfo compilation in zoneinfo crate by @nekevss in #532
• Complete some cleanup options module by @nekevss in #531
• Make errors Copy by @Manishearth in #528
• More saturating arithmetic by @Manishearth in #527
• Move TimeZoneProvider to timezone_provider crate by @Manishearth in #526
• Clean up TimeZoneProvider crate by @Manishearth in #525

Full Changelog: https://github.com/boa-dev/temporal/compare/v0.0.14...v0.0.15

• Release 0.0.14
• Fix validity checks by @Manishearth in #523

Full Changelog: https://github.com/boa-dev/temporal/compare/v0.0.13...v0.0.14

• Bump versions to 0.13
• Add validity checks on parse by @Manishearth in #517
• Use correct cached offset when rounding ZDTs by @Manishearth in #520
• Clamp unit indices before checking table by @Manishearth in #516
• Check that year values are in safe arithmetical range by @Manishearth in #513
• Use correct sign value in nudge code by @Manishearth in #514
• Support fractional hour values in hoursInDay by @Manishearth in #515
• Cache offsets on ZDT by @Manishearth in #510
• Update duration to unsigned fields + specification updates by @nekevss in #507
• Reduce (and lint-disallow) panics in main code by @Manishearth in #506
• Further normalize MWDs, add Vancouver and Santiago tests by @Manishearth in #504
• Duration rounding: is_date_unit(), not is_calendar_unit() by @Manishearth in #503
• Use beyondDaySpan in NudgeToZonedDateTime by @Manishearth in #501
• Remove use of unsafe from the main crate by @Manishearth in #502
• Simplify calendar API over FFI by @Manishearth in #498
• Handle week=5 MWD cases in posix TZ strings by @Manishearth in #499
• Exclude tzif files from publish by @Manishearth in #495

Full Changelog: https://github.com/boa-dev/temporal/compare/v0.0.12...v0.0.13

• Bump versions
• cleanup: Remove parsing functionality from PartialZDT by @Manishearth in #493
• Various MonthDay fixes by @Manishearth in #492
• Add CalendarFields concept and integate it with API and Partial structs by @nekevss in #487
• Add support for non-ISO yearmonths and monthdays by @Manishearth in #490
• Add separate parsed variants of all types by @Manishearth in #486
• Update icu_calendar, fix self-consistency test by @Manishearth in #488
• Add builder pattern with_xxx methods for PartialDuration by @nekevss in #485
• Add CalendarFieldKeysToIgnore by @Manishearth in #484
• Reuse ZDT parsing logic from PartialZDT by @Manishearth in #483
• Fix hours in day calculation around gap transitions by @Manishearth in #482
• Generate the baked zone info data for ZoneInfoProvider by @nekevss in #264
• Precompute before/after offsets and use in disambiguate_possible_epoch_nanos by @Manishearth in #479
• Add tzif-inspect tool for inspecting tzif data by @Manishearth in #480
• Fix behavior of ns-to-seconds casting for negative values by @Manishearth in #475
• Fix panics from calling abs on i64::MIN by @nekevss in #474
• Implement get_named_tzdb_transition by @Manishearth in #472
• Use ISO day of week unconditionally by @Manishearth in #471
• Fix overflow when validating Duration by @nekevss in #470
• Rewrite v2_estimate_tz_pair to compare local timestamps by @Manishearth in #468
• Normalize, don't canonicalize time zones by @Manishearth in #466
• Normalize UTC to UTC by @Manishearth in #463
• Ensure that the correct year-month is range-checked during diff operations by @Manishearth in #461
• Correctly handle matchBehavior for sub-minute offset strings by @Manishearth in #462
• Correctly normalize timezones by @Manishearth in #460
• Fix posix logic that was causing panics by @nekevss in #459
• Fix float precision check by @Manishearth in #457
• CalendarDateAdd takes DateDurations, not full Durations by @Manishearth in #453
• Check validity where requested by the spec by @Manishearth in #456
• Add .clone() to FFI, YearMonth::reference_day by @Manishearth in #454
• Move nanoseconds-validity checking to being explicit by @Manishearth in #452
• Add debug impl for error message by @Manishearth in #451
• Rename ffi epoch_ns_for to epoch_ms_for by @Manishearth in #443
• Fix panic in tzdb logic by @nekevss in #441
• Support RoundNumberToIncrementAsIfPositive by @Manishearth in #440
• Support sub-minute offsets in UTCOffset by @Manishearth in #437
• Fix bug in to_zoned_date_time_with_provider by @nekevss in #436
• Ensure dates are in limits after performing arithmetic by @Manishearth in #435
• YearMonth::compare should compare ISO days by @Manishearth in #433
• toPlainDate should use CONSTRAIN by @Manishearth in #430

Full Changelog: https://github.com/boa-dev/temporal/compare/v0.0.11...v0.0.12

• Add PartialZonedDateTime::try_from_str by @Manishearth in #420
• Add from_partial for YearMonth/MonthDay FFI by @Manishearth in #351
• Throw error if given more than 9 duration digits by @Manishearth in #425
• Fix up eras, correctly expose arithmetic year by @Manishearth in #424
• Add time zone normalization by @Manishearth in #415
• Allow adding date durations to PlainTime by @Manishearth in #421
• Parse both zoned and unzoned date times in relativeTo by @Manishearth in #422
• Add get_epoch_ns_for on YearMonth/MonthDay by @Manishearth in #414
• Don't set None time in ZDT::from_partial by @Manishearth in #416
• [capi] Add from_utf8/from_utf16 for OwnedRelativeTo by @Manishearth in #375
• Forbid MonthDay/YearMonth formats for non-iso by @Manishearth in #413
• Use track_caller in assertion errors by @Manishearth in #417
• Properly respect overflow options when performing with_fallback_date/time by @Manishearth in #407
• Add TimeZone::utc() to FFI by @Manishearth in #358
• Add POSIX time zone string support to zoneinfo by @nekevss in #265
• Fix duration validity check by @Manishearth in #411
• Produce correct error types for invalid month/era codes by @Manishearth in #405
• Add support for offsetBehavior == WALL by @Manishearth in #404
• Update README.md - mention other usages of lib by @jasonwilliams in #401
• Make TimeZone::identifier() infallible by @linusg in #399
• Fix the bakedata provider path by @nekevss in #398
• Include time duration in InternalDurationSign by @Manishearth in #397
• Use rounded instant in ZDT::toString by @Manishearth in #396
• Fix hoursInDay division constant by @nekevss in #395
• Expose ParseTemporalCalendarString over FFI by @Manishearth in #390
• Remove UTC designator check from time zone parsing by @nekevss in #392
• Update ixdtf to icu4x main git branch by @robot-head in #365
• Fix 9.5.8 AddDurationToYearMonth abstract method by @HalidOdat in #389
• Fix ZonedDateTime::nanosecond by @Manishearth in #388
• Allow datetime strings for YearMonth/MonthDay/Time by @Manishearth in #386
• Remove orgs/boa-dev/people from links by @nekevss in #387
• Update maintainers in README.md by @jasonwilliams in #384
• Re-add try_from_offset_str by @Manishearth in #376
• Fix clippy lints for Rust 1.88 by @nekevss in #377

• Add documentation and doctests for builtins by @blarfoon in #360
• More error enums by @Manishearth in #373
• [capi] Add stringifier/cloning to timezones by @Manishearth in #344
• Handle unknown timezone identifiers in FsTzdbProvider by @Manishearth in #345
• [capi] Fix i128Nanoseconds by @Manishearth in #372
• [capi] expose error strings by @Manishearth in #364
• Consolidate tools into a single tool directory by @nekevss in #368
• Add a new PartialYearMonth to available partial structs (#288) by @robot-head in #342
• Implement zoneinfo parsing/compilation and add TZif structs by @nekevss in #257
• Add ErrorMessage enum, start using it by @Manishearth in #355
• [capi] Add is_valid() to I128Nanoseconds by @Manishearth in #363
• [capi] Add ZonedDateTime::{equals,offset} by @Manishearth in #362
• Add convenience methods for constructing FFI datetime types from milliseconds by @Manishearth in #359
• [capi] Add offset_nanoseconds() to ZDT FFI by @Manishearth in #361
• Update diplomat by @Manishearth in #357
• Stop depending on is_dst for calculations by @jedel1043 in #356
• Add some FAQ style docs for temporal_rs by @nekevss in #350
• Add try_from_offset_str ctor for TimeZone by @Manishearth in #348
• Switch compiled_data APIs to new CompiledTzdbProvider by @Manishearth in #346

• Cross boundary rounding fix #286 by @robot-head in #343
• Implement PlainMonthDay::with functionality by @nekevss in #335
• Add Writeable getters for some types, use in FFI by @Manishearth in #340
• Add missing FFI APIs by @Manishearth in #339
• Fill in missing Zoned APIs by @Manishearth in #331
• Add stringifiers to MonthDay/YearMonth by @Manishearth in #338
• Use AnyCalendarKind in PartialDate by @Manishearth in #332
• Add ZonedDateTime FFI by @Manishearth in #329
• Use a lock internally to FsTzdbProvider instead of externally by @Manishearth in #327
• Remove create() APIs, consistently use try_new() by @Manishearth in #326
• Switch FFI calendar APIs over to using AnyCalendarKind for input by @Manishearth in #324
• Update abstract method 7.5.37 RoundRelativeDuration by @HalidOdat in #323
• Fix abstract method 7.5.36 BubbleRelativeDuration() by @HalidOdat in #322
• Generate FFI bindings for C by @jedel1043 in #321
• Improve baked data formatting by @Manishearth in #319
• Correctly validate largestUnit when constructing from DifferenceSettings by @Manishearth in #316
• Align Duration.prototype.round() to latest specification by @HalidOdat in #317

Full Changelog: https://github.com/boa-dev/temporal/compare/v0.0.8...v0.0.9

• Make duration capi getters non-optional by @Manishearth in #314
• Add to_string to Duration by @Manishearth in #312
• Add comparison methods to Instant by @Manishearth in #311
• Add LICENSEs to timezone_provider crate by @Manishearth in #308
• Prune dependencies of timezone_provider in normal mode, add depcheck by @Manishearth in #310
• Add to_plain_date to PlainMonthDay and PlainYearMonth by @HenrikTennebekk in #287
• Remove exclude and readme by @nekevss in #304

Full Changelog: https://github.com/boa-dev/temporal/compare/v0.0.7...v0.0.8

• Bump ixdtf and complete changes for update by @nekevss in #299
• A few more changes to the readme by @nekevss in #297
• Implement a builder API for Now by @nekevss in #296
• Some docs cleanup and updates by @nekevss in #294
• Add PlainMonthDay method + clean up by @nekevss in #284
• Add Eq, Ord impls on FiniteF64 by @sffc in #187
• Allow parsers to accept unvalidated UTF8 by @HalidOdat in #295
• Bump to icu_calendar 2.0 by @nekevss in #292
• Add ISO specific constructors to builtins by @nekevss in #263
• Rename the provider crate by @nekevss in #289
• Expose equals and compare over FFI by @Magnus-Fjeldstad in #269
• Impl round_with_provider for ZonedDateTIme by @sebastianjacmatt in #278
• Add some compiled_data FFI APIs by @Manishearth in #273
• Add string conversion functions for Temporal types by @Manishearth in #276
• Make sure temporal_capi can be built no_std by @Manishearth in #281
• Make iana-time-zone dep optional by @Manishearth in #279
• Implementation of ZonedDateTime.prototype.with by @lockels in #267
• Update Duration's inner representation from floating point to integers. by @nekevss in #268
• Add all-features = true to docs.rs metadata by @Manishearth in #271
• Fix instant math in capi by @Manishearth in #270
• Remove the Temporal prefix from Unit, RoundingMode, and UnsignedRoundingMode by @nekevss in #254
• Since until by @sebastianjacmatt in #259
• Implementation of toZonedDateTimeISO for Instant by @lockels in #258
• Implement toZonedDateTime in PlainDate by @JohannesHelleve in #192
• Add intro documentation to ZonedDateTime and PlainDateTime by @nekevss in #253
• Implement IANA normalizer baked data provider by @nekevss in #251