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CHANGELOG.md

CHANGELOG.md 117 KB
文件历史 原始文件

Change Log

All notable changes to this project will be documented in this file. This project adheres to Semantic Versioning.

This change log follows the format documented in Keep a CHANGELOG.

v4.1.0 - 2024-09-17

This release adds time zone support to format functions (that I somehow missed when working on the feature) and fixes a few bugs.

Make sure also upgrade TZDate to v1.0.2 as it includes a bunch of critical bug fixes.

Fixed

  • Fixed internal constructFrom throwing an exception on null arguments. While null isn't allowed, the functions should rather return Invalid Date or NaN in such cases. See #3885.

Added

  • Added missing time zone support to format, formatISO, formatISO9075, formatRelative and formatRFC3339. See #3886.

v4.0.0 - 2024-09-16

I have great news! First, ten years after its release, date-fns finally gets first-class time zone support.

Another great news is that there aren't many breaking changes in this release. All of them are type-related and will affect only those explicitly using internal date-fns types. Finally, it has been less than a year since the last major release, which is an improvement over the previous four years between v2 and v3. I plan on keeping the pace and minimizing breaking changes moving forward.

Read more about the release in the announcement blog post.

- Sasha @kossnocorp

Added

  • Added time zones support via @date-fns/tz's TZDate class and tz helper function. See its README for the details about the API.

  • All relevant functions now accept the context in option, which allows to specify the time zone to make the calculations in. If the function also returns a date, it will be in the specified time zone:

    import { addDays, startOfDay } from "date-fns";
import { tz } from "@date-fns/tz";

startOfDay(addDays(Date.now(), 5, { in: tz("Asia/Singapore") }));
//=> "2024-09-16T00:00:00.000+08:00"

In the example, addDays will get the current date and time in Singapore and add 5 days to it. startOfDay will inherit the date type and return the start of the day in Singapore.

Changed

  • The function arguments, as well as Interval's start and end, now can be of different types, allowing you to mix UTCDate, TZDate, Date, and other extensions, as well as primitives (strings and numbers).

The functions will normalize these values, make calculations, and return the result in the same type, preventing any bugs caused by the discrepancy. If passed, the type will be inferred from the context in option or the first encountered argument object type. The Interval's start and end will be considered separately, starting from start.

In the given example, the result will be in the TZDate as the first argument is a number, and the start takes precedence over the end.

  clamp(Date.now(), {
    start: new TZDate(start, "Asia/Singapore"),
    end: new UTCDate(),
  });
  //=> TZDate

  • BREAKING: This release contains a bunch of types changes that should not affect the library's expected usage. The changes are primarily internal and nuanced, so rather than listing them here, I recommend you running the type checker after the upgrade. If there are unfixable problems, please open an issue.

  • BREAKING: The package now is ESM-first. The CommonJS is still support and It should not affect most users, but it might break in certains environments. If you encounter any issues, please report them.

Fixed

  • Fixed CDN build compatibility with jQuery and other tools that expose $ by properly wrapping the code in an IIFE.

v3.6.0 - 2024-03-18

On this release worked @kossnocorp and @world1dan. Also, thanks to @seated for sponsoring me.

Fixed

Added

v3.5.0 - 2024-03-15

Kudos to @fturmel, @kossnocorp, @makstyle119, @tan75, @marcreichel, @tareknatsheh and @audunru for working on the release. Also, thanks to @seated for sponsoring me.

Fixed

Added

v3.4.0 - 2024-03-11

Kudos to @kossnocorp, @sakamossan and @Revan99 for working on the release. Also, thanks to @seated for sponsoring me.

Added

v3.3.1 - 2024-01-22

Kudos to @kossnocorp and @fturmel for working on the release.

Fixed

  • Fixed DST issue in getOverlappingDaysInIntervals, resulting in an inconsistent number of days returned for intervals starting and ending in different DST periods.

  • Fixed functions incorrectly using trunc instead of round. The bug was introduced in v3.3.0. The affected functions: differenceInCalendarDays, differenceInCalendarISOWeeks, differenceInCalendarWeeks, getISOWeek, getWeek, and getISOWeeksInYear.

v3.3.0 - 2024-01-20

On this release worked @kossnocorp, @TheKvikk, @fturmel and @ckcherry23.

Fixed

  • Fixed the bug in getOverlappingDaysInIntervals caused by incorrect sorting of interval components that led to 0 for timestamps of different lengths.

  • Fixed bugs when working with negative numbers caused by using Math.floor (-1.1 → -2) instead of Math.trunc (-1.1 → -1). Most of the conversion functions (i.e., hoursToMinutes) were affected when passing some negative fractional input. Also, some other functions that could be possibly affected by unfortunate timezone/date combinations were fixed.

The functions that were affected: format, parse, getUnixTime, daysToWeeks, hoursToMilliseconds, hoursToMinutes, hoursToSeconds, milliseconds, minutesToMilliseconds, millisecondsToMinutes, monthsToYears, millisecondsToHours, millisecondsToSeconds, minutesToHours, minutesToSeconds, yearsToQuarters, yearsToMonths, yearsToDays, weeksToDays, secondsToMinutes, secondsToHours, quartersToYears, quartersToMonths and monthsToQuarters.

Added

v3.2.0 - 2024-01-09

This release is brought to you by @kossnocorp, @fturmel, @grossbart, @MelvinVermeer, and @jcarstairs-scottlogic.

Fixed

Added

  • Added exports of format, lightFormat, and parse internals that enable 3rd-parties to consume those.

v3.1.0 - 2024-01-05

This release is brought to you by @kossnocorp, @makstyle119 and @dmgawel.

Fixed

Added

v3.0.6 - 2023-12-22

On this release worked @imwh0im, @jamcry and @tyrw.

Fixed

v3.0.5 - 2023-12-21

This release is brought to you by @goku4199.

Fixed

v3.0.4 - 2023-12-21

This release is brought to you by @kossnocorp.

Fixed

  • Fixed isWithinInterval bug caused by incorrectly sorting dates (#3623).

v3.0.3 - 2023-12-21

Fixed

  • Rolled back pointing ESM types to the same d.ts files. Instead now it copies the content to avoid the Masquerading as CJS problem reported by "Are the types wrong?".

v3.0.2 - 2023-12-21

Fixed

v3.0.1 - 2023-12-20

Fixed

  • Fixed an error in certain environments caused by d.mts files exporting only types.

v3.0.0 - 2023-12-18

Changed

  • BREAKING: date-fns is now a dual-package with the support of both ESM and CommonJS. The files exports are now explicitly in the package.json. The ESM files now have .mjs extension.

  • BREAKING: The package now has a flat structure, meaning functions are now named node_modules/date-fns/add.mjs, locales are node_modules/date-fns/locale/enUS.mjs, etc.

  • BREAKING: Now all file content’s exported via named exports instead of export default, which will require change direct imports i.e. const addDays = require(‘date-fns/addDays’) to const { addDays } = require(‘date-fns/addDays’).

  • BREAKING: TypeScript types are now completely rewritten, check out the d.ts files for more information.

  • BREAKING: constants now is not exported via the index, so to import one use import { daysInYear } from "date-fns/constants";. It improves compatibility with setups that modularize imports like Next.js.

  • BREAKING: Functions now don’t check the number of passed arguments, delegating this task to type checkers. The functions are now slimmer because of this.

  • BREAKING The arguments are not explicitly converted to the target types. Instead, they are passed as is, delegating this task to type checkers.

  • BREAKING: Functions that accept Interval arguments now do not throw an error if the start is before the end and handle it as a negative interval. If one of the properties in an Invalid Date, these functions also do not throw and handle them as invalid intervals.

    • areIntervalsOverlapping normalize intervals before comparison, so { start: a, end: b } is practically equivalent to { start: b, end: a }. When comparing intervals with one of the properties being Invalid Date, the function will return false unless the others are valid and equal, given the inclusive option is passed. Otherwise, and when even one of the intervals has both properties invalid, the function will always return false.

    • getOverlappingDaysInIntervals now normalizes intervals before comparison, so { start: a, end: b } is practically equivalent to { start: b, end: a }. If any of the intervals’ properties is an Invalid Date, the function will always return 0.

    • isWithinInterval now normalizes intervals before comparison, so { start: a, end: b } is practically equivalent to { start: b, end: a }. If any of the intervals’ properties is an Invalid Date, the function will always return false.

    • intervalToDuration now returns negative durations for negative intervals. If one or both of the interval properties are invalid, the function will return an empty object.

    • The eachXOfInterval functions (eachDayOfInterval, eachHourOfInterval, eachMinuteOfInterval, eachMonthOfInterval, eachWeekendOfInterval, eachWeekendOfMonth, eachWeekendOfYear, eachWeekOfInterval, eachYearOfInterval) now return a reversed array if the passed interval’s start is after the end. Invalid properties will result in an empty array. Functions that accept the step option now also allow negative, 0, and NaN values and return reversed results if the step is negative and an empty array otherwise.

  • BREAKING: intervalToDuration now skips 0 values in the resulting duration, resulting in more compact objects with only relevant properties.

  • BREAKING: roundToNearestMinutes now returns Invalid Date instead of throwing an error when nearestTo option is less than 1 or more than 30.

  • BREAKING: IE is no longer supported.

  • BREAKING: Now all functions use Math.trunc rounding method where rounding is required. The behavior is configurable on a per-function basis.

  • BREAKING: Undocumented onlyNumeric option was removed from nn and sv locales. If you relied on it, please contact me.

  • BREAKING: Flow is not supported anymore. If you relied on it, please contact me.

  • BREAKING: The locales now use regular functions instead of the UTC version, which should not break any code unless you used locales directly.

Added

  • All functions that accept date arguments now also accept strings.

  • All functions now export options interfaces.

  • Now functions allow passing custom Date extensions like UTCDate. They will detect and use the arguments constructor to generate the result of the same class.

  • eachMonthOfInterval, eachQuarterOfInterval, eachWeekOfInterval, and eachYearOfInterval now accept the step option like most of the eachXOfInterval functions.

  • A new interval function that validates interval, emulating the v2 interval functions behavior.

  • differenceInX functions now accept options and allow setting up roundingMethod that configures how the result is rounded. Math.trunc is the default method.

v2.30.0

Kudos to @kossnocorp and @Andarist for working on the release.

Changes

  • Fixed increased build size after enabling compatibility with older browsers in the previous release. This was done by adding @babel/runtime as a dependency. See more details.

v2.29.3 - 2022-09-13

This release is prepared by our own @leshakoss.

Fixed

v2.29.2 - 2022-08-18

This release is brought to you by @nopears, @vadimpopa and @leshakoss.

Fixed

v2.29.1 - 2022-08-18

Thanks to @fturmel for working on the release.

Fixed

v2.29.0 - 2022-07-22

On this release worked @tan75, @kossnocorp, @nopears, @Balastrong, @cpapazoglou, @dovca, @aliasgar55, @tomchentw, @JuanM04, @alexandresaura, @fturmel, @aezell, @andersravn, @TiagoPortfolio, @SukkaW, @Zebreus, @aviskarkc10, @maic66, @a-korzun, @Mejans, @davidspiess, @alexgul1, @matroskin062, @undecaf, @mprovenc, @jooola and @leshakoss.

Added

Fixed

Changed

v2.28.0 - 2021-12-28

Kudos to @tan75, @fturmel, @arcanar7, @jeffjose, @helmut-lang, @zrev2220, @jooola, @minitesh, @cowboy-bebug, @mesqueeb, @JuanM04, @zhirzh, @damon02 and @leshakoss for working on the release.

Added

Fixed

v2.27.0 - 2021-11-30

Kudos to @tan75, @hg-pyun, @07akioni, @razvanmitre, @Haqverdi, @pgcalixto, @janziemba, @fturmel, @JuanM04, @zhirzh, @seanghay, @bulutfatih, @nodeadtree, @cHaLkdusT, @a-korzun, @fishmandev, @wingclover, @Zacharias3690, @kossnocorp and @leshakoss for working on the release.

Fixed

Added

v2.26.0 - 2021-11-19

Thanks to @kossnocorp, @leshakoss, @tan75, @gaplo, @AbdAllahAbdElFattah13, @fturmel, @kentaro84207, @V-Gutierrez, @atefBB, @jhonatanmacazana, @zhirzh, @Haqverdi, @mandaputtra, @micnic and @rikkalo for working on the release.

Fixed

Changed

Added

v2.25.0 - 2021-10-05

This release is brought to you by @kossnocorp, @gierschv, @fturmel, @redbmk, @mprovenc, @artyom-ivanov and @tan75.

Added

v2.24.0 - 2021-09-17

Kudos to Sasha Koss, Lucas Silva, Jan Ziemba, Anastasia Kobzar, Deepak Gupta, Jonas L, Kentaro Suzuki, Koussay Haj Kacem, fturmel, Tan75 and Adriaan Callaerts for working on the release.

Fixed

Changed

Added

v2.23.0 - 2021-07-23

Thanks to Liam Tait, fturmel, Takuya Uehara, Branislav Lazic, Seyyed Morteza Moosavi, Felipe Armoni, Sasha Koss, Michael Mok, Tan75 and Maxim Topciu for working on the release.

Changed

Added

v2.22.1 - 2021-05-28

Thanks to Sasha Koss for working on the release.

Fixed

  • Fixed constant typings. (#2491)

v2.22.0 - 2021-05-28

Sasha Koss, Lucas Silva, Lay, jwbth, fturmel, Tan75 and Anastasia Kobzar worked on this release.

Fixed

Added

  • Added 18 new conversion functions:
    • daysToWeeks
    • hoursToMilliseconds
    • hoursToMinutes
    • hoursToSeconds
    • millisecondsToHours
    • millisecondsToMinutes
    • millisecondsToSeconds
    • minutesToHours
    • minutesToMilliseconds
    • minutesToSeconds
    • monthsToQuarters
    • monthsToYears
    • quartersToMonths
    • quartersToYears
    • secondsToHours
    • secondsToMilliseconds
    • secondsToMinutes
    • weeksToDays
    • yearsToMonths
    • yearsToQuarters

v2.21.3 - 2021-05-08

This release is brought to you by Maxim Topciu.

Fixed

v2.21.2 - 2021-05-05

Kudos to Aleksei Korzun, Maxim Topciu, Jonas L, Mohammad ali Ali panah and Tan75 for working on the release.

Fixed

v2.21.1 - 2021-04-15

Thanks to Sasha Koss for working on the release.

Fixed

v2.21.0 - 2021-04-14

This release is brought to you by Aleksei Korzun, Tan75, Rubens Mariuzzo, Christoph Stenglein and Clément Tamisier.

Fixed

Added

v2.20.3 - 2021-04-13

Kudos to fturmel for working on the release.

Fixed

v2.20.2 - 2021-04-12

Kudos to Maxim Topciu for working on the release.

Fixed

v2.20.1 - 2021-04-09

This release is brought to you by Sasha Koss and Tan75.

Fixed

  • Fixed isDate Flow typings that we broke in v2.20.0.

v2.20.0 - 2021-04-08

This release is brought to you by Sasha Koss, Maxim Topciu, tu4mo, Tan75, Ardit Dine, Carl Rosell, Roman Mahotskyi, Mateusz Krzak, fgottschalk, Anastasia Kobzar, Bilguun Ochirbat, Lesha Koss, YuLe and guyroberts21.

Fixed

Added

v2.19.0 - 2021-03-05

Tan75 worked on this release.

Fixed

Added

v2.18.0 - 2021-03-01

Thanks to Tan75 and Lesha Koss.

Fixed

Added

[2.17.0] - 2021-02-05

Kudos to @shaykav, @davidgape89, @rikkalo, @tan75, @talgautb, @owenl131, @kylesezhi, @inigoiparragirre, @gius, @Endeauvirr and @frankyston.

Fixed

Added

2.16.1 - 2020-07-31

Kudos to @aleksaps, @leedriscoll and @BanForFun for pull-requests!

Fixed

2.16.0 - 2020-08-27

Kudos to @jvpelt, @piotrl, @yotamofek, @dwaxweiler, @leedriscoll and @bradevans for working on the release. Also thanks to @PascalHonegger, @pickfire, @TheJaredWilcurt, @SidKH and @nfantone for improving the documentation.

Fixed

Changed

Added

2.15.0 - 2020-07-17

Thanks to @belgamo, @Matsuuu, @Imballinst, @arsnyder16, @pankajupadhyay29, @DCBN, @leedriscoll, @gottsohn, @mukuljainx and @dtriana for working on the release. Also kudos to @KidkArolis, @imgx64, @fjc0k, @wmonk, @djD-REK, @dandv, @psimk and @brimworks for improving the documentation.

Fixed

Changed

Added

2.14.0 - 2020-05-18

Kudos to @julamb, @JacobSoderblom, @justingrant, @dragunoff, @jmate0321, @gbhasha, @rasck, @AlbertoPdRF, @sebastianhaberey and @giogonzo for working on the release!

Fixed

Added

2.13.0 - 2020-05-06

Thanks to @JorenVos, @developergouli, @rhlowe and @justingrant for working on the release!

Fixed

Added

2.12.0 - 2020-04-09

Kudos to @leshakoss, @skyuplam, @so99ynoodles, @dkozickis, @belgamo, @akgondber, @dcousens and @BoomDev for working on the release!

Fixed

Added

2.11.1 - 2020-03-26

Fixed

  • Rebuilt TypeScript and flow types.

2.11.0 - 2020-03-13

Kudos to @oakhan3, @Mukhammadali, @altrim, @leepowellcouk, @amatzon, @bryanMt, @kalekseev, @eugene-platov and @tjrobinson for working on the release.

Fixed

Changed

Added

2.10.0 - 2020-02-25

Fixed

Fixed

  • Fixed a bug in setDay when using weekStartsOn that is not 0

Added

2.9.0 - 2020-01-08

Thanks to @mborgbrant, @saintplay, @mrenty, @kibertoad, @levibuzolic, @Anshuman71, @talgautb, @filipjuza, @tobyzerner, @emil9453, @fintara, @pascaliske, @rramiachraf, @marnusw and @Imballinst for working on the release.

Fixed

Added

Changed

2.8.1 - 2019-11-22

Thanks to @Imballinst for the bug fix!

Fixed

2.8.0 - 2019-11-19

Kudos to @NaridaL, @Zyten, @Imballinst, @leshakoss and @Neorth for working on the release.

Fixed

Added

2.7.0 - 2019-11-07

Thanks to @mzgajner, @NaridaL, @Zyten, @leshakoss, @fintara, @kpr-hellofresh for contributing to the release.

Fixed

Changed

Added

2.6.0 - 2019-10-22

Kudos to @marnusw, @cdrikd and @rogyvoje for working on the release!

Added

2.5.1 - 2019-10-18

Thanks to @mitchellbutler for the bug fix!

Fixed

2.5.0 - 2019-10-16

Kudos to @dkozickis, @drugoi, @kranthilakum, @102, @gpetrioli and @JulienMalige for making the release happen.

Fixed

Added

2.4.1 - 2019-09-28

Thanks to @mrclayman for reporting the issue and @leshakoss for fixing it.

Fixed

2.4.0 - 2019-09-27

This release is brought to you by these amazing people: @lovelovedokidoki, @alexigityan, @kalekseev and @andybangs. You rock!

Fixed

Added

2.3.0 - 2019-09-24

Huge thanks to @lovelovedokidoki who improved 8 (!) locales in an unstoppable open-source rampage and @VesterDe for fixing Slovenian locale 👏

Fixed

Added

2.2.1 - 2019-09-12

Kudos to date-fns contributors: @mzgajner, @sibiraj-s, @mukeshmandiwal, @SneakyFish5 and @CarterLi.

Added

2.1.0 - 2019-09-06

Thanks to date-fns contributors: @ManadayM, @illuminist, @visualfanatic, @vsaarinen and at last but not the least @leshakoss!

Fixed

Added

2.0.1 - 2019-08-23

Fixed

2.0.0 - 2019-08-20

If you're upgrading from v2 alpha or beta, see the pre-release changelog.

Fixed

  • Fixed the toDate bug occurring when parsing ISO-8601 style dates (but not valid ISO format) with a trailing Z (e.g 2012-01Z), it returned Invalid Date for FireFox/IE11 #510

  • Fixed differenceIn... functions returning negative zero in some cases: #692

  • isDate now works properly with dates passed across iframes #754.

  • Fixed a few bugs that appeared in timezones with offsets that include seconds (e.g. GMT+00:57:44). See PR #789.

  • Fixed DST issue. See #972 and #992 for more details.

  • Fixed DST issue in eachDayOfInterval that caused time in the days after DST change to have the shift as well.

  • Fixed bug in Galician locale caused by incorrect usage of getHours instead of getUTCHours.

Changed

  • BREAKING: now functions don't accept string arguments, but only numbers or dates. When a string is passed, it will result in an unexpected result (Invalid Date, NaN, etc).

From now on a string should be parsed using parseISO (ISO 8601) or parse.

In v1 we've used new Date() to parse strings, but it resulted in many hard-to-track bugs caused by inconsistencies in different browsers. To address that we've implemented our ISO 8601 parser but that made library to significantly grow in size. To prevent inevitable bugs and keep the library tiny, we made this trade-off.

See this post for more details.

  // Before v2.0.0
  addDays("2016-01-01", 1);

  // v2.0.0 onward
  addDays(parseISO("2016-01-01"), 1);

| Unit | v2 Pattern | v1 Pattern | Result examples | | ------------------------------- | ---------- | ---------- | --------------------------------- | | Era | G..GGG | | AD, BC | | | GGGG | | Anno Domini, Before Christ | | | GGGGG | | A, B | | Calendar year | y | | 44, 1, 1900, 2017 | | | yo | | 44th, 1st, 0th, 17th | | | yy | YY | 44, 01, 00, 17 | | | yyy | | 044, 001, 1900, 2017 | | | yyyy | YYYY | 0044, 0001, 1900, 2017 | | | yyyyy | | ... | | Local week-numbering year | Y | | 44, 1, 1900, 2017 | | | Yo | | 44th, 1st, 1900th, 2017th | | | YY | | 44, 01, 00, 17 | | | YYY | | 044, 001, 1900, 2017 | | | YYYY | | 0044, 0001, 1900, 2017 | | | YYYYY | | ... | | ISO week-numbering year | R | | -43, 0, 1, 1900, 2017 | | | RR | GG | -43, 00, 01, 1900, 2017 | | | RRR | | -043, 000, 001, 1900, 2017 | | | RRRR | GGGG | -0043, 0000, 0001, 1900, 2017 | | | RRRRR | | ... | | Extended year | u | | -43, 0, 1, 1900, 2017 | | | uu | | -43, 01, 1900, 2017 | | | uuu | | -043, 001, 1900, 2017 | | | uuuu | | -0043, 0001, 1900, 2017 | | | uuuuu | | ... | | Quarter (formatting) | Q | | 1, 2, 3, 4 | | | Qo | | 1st, 2nd, 3rd, 4th | | | QQ | | 01, 02, 03, 04 | | | QQQ | | Q1, Q2, Q3, Q4 | | | QQQQ | | 1st quarter, 2nd quarter, ... | | | QQQQQ | | 1, 2, 3, 4 | | Quarter (stand-alone) | q | Q | 1, 2, 3, 4 | | | qo | Qo | 1st, 2nd, 3rd, 4th | | | qq | | 01, 02, 03, 04 | | | qqq | | Q1, Q2, Q3, Q4 | | | qqqq | | 1st quarter, 2nd quarter, ... | | | qqqqq | | 1, 2, 3, 4 | | Month (formatting) | M | | 1, 2, ..., 12 | | | Mo | | 1st, 2nd, ..., 12th | | | MM | | 01, 02, ..., 12 | | | MMM | | Jan, Feb, ..., Dec | | | MMMM | | January, February, ..., December | | | MMMMM | | J, F, ..., D | | Month (stand-alone) | L | M | 1, 2, ..., 12 | | | Lo | | 1st, 2nd, ..., 12th | | | LL | MM | 01, 02, ..., 12 | | | LLL | MMM | Jan, Feb, ..., Dec | | | LLLL | MMMM | January, February, ..., December | | | LLLLL | | J, F, ..., D | | Local week of year | w | | 1, 2, ..., 53 | | | wo | | 1st, 2nd, ..., 53th | | | ww | | 01, 02, ..., 53 | | ISO week of year | I | W | 1, 2, ..., 53 | | | Io | Wo | 1st, 2nd, ..., 53th | | | II | WW | 01, 02, ..., 53 | | Day of month | d | D | 1, 2, ..., 31 | | | do | Do | 1st, 2nd, ..., 31st | | | dd | DD | 01, 02, ..., 31 | | Day of year | D | DDD | 1, 2, ..., 365, 366 | | | Do | DDDo | 1st, 2nd, ..., 365th, 366th | | | DD | | 01, 02, ..., 365, 366 | | | DDD | DDDD | 001, 002, ..., 365, 366 | | | DDDD | | ... | | Day of week (formatting) | E..EEE | | Mon, Tue, Wed, ..., Su | | | EEEE | | Monday, Tuesday, ..., Sunday | | | EEEEE | | M, T, W, T, F, S, S | | | EEEEEE | | Mo, Tu, We, Th, Fr, Sa, Su | | ISO day of week (formatting) | i | E | 1, 2, 3, ..., 7 | | | io | do | 1st, 2nd, ..., 7th | | | ii | | 01, 02, ..., 07 | | | iii | ddd | Mon, Tue, Wed, ..., Su | | | iiii | dddd | Monday, Tuesday, ..., Sunday | | | iiiii | | M, T, W, T, F, S, S | | | iiiiii | dd | Mo, Tu, We, Th, Fr, Sa, Su | | Local day of week (formatting) | e | | 2, 3, 4, ..., 1 | | | eo | | 2nd, 3rd, ..., 1st | | | ee | | 02, 03, ..., 01 | | | eee | | Mon, Tue, Wed, ..., Su | | | eeee | | Monday, Tuesday, ..., Sunday | | | eeeee | | M, T, W, T, F, S, S | | | eeeeee | | Mo, Tu, We, Th, Fr, Sa, Su | | Local day of week (stand-alone) | c | | 2, 3, 4, ..., 1 | | | co | | 2nd, 3rd, ..., 1st | | | cc | | 02, 03, ..., 01 | | | ccc | | Mon, Tue, Wed, ..., Su | | | cccc | | Monday, Tuesday, ..., Sunday | | | ccccc | | M, T, W, T, F, S, S | | | cccccc | | Mo, Tu, We, Th, Fr, Sa, Su | | AM, PM | a..aaa | A | AM, PM | | | aaaa | aa | a.m., p.m. | | | aaaaa | | a, p | | AM, PM, noon, midnight | b..bbb | | AM, PM, noon, midnight | | | bbbb | | a.m., p.m., noon, midnight | | | bbbbb | | a, p, n, mi | | Flexible day period | B..BBB | | at night, in the morning, ... | | | BBBB | | at night, in the morning, ... | | | BBBBB | | at night, in the morning, ... | | Hour [1-12] | h | | 1, 2, ..., 11, 12 | | | ho | | 1st, 2nd, ..., 11th, 12th | | | hh | | 01, 02, ..., 11, 12 | | Hour [0-23] | H | | 0, 1, 2, ..., 23 | | | Ho | | 0th, 1st, 2nd, ..., 23rd | | | HH | | 00, 01, 02, ..., 23 | | Hour [0-11] | K | | 1, 2, ..., 11, 0 | | | Ko | | 1st, 2nd, ..., 11th, 0th | | | KK | | 1, 2, ..., 11, 0 | | Hour [1-24] | k | | 24, 1, 2, ..., 23 | | | ko | | 24th, 1st, 2nd, ..., 23rd | | | kk | | 24, 01, 02, ..., 23 | | Minute | m | | 0, 1, ..., 59 | | | mo | | 0th, 1st, ..., 59th | | | mm | | 00, 01, ..., 59 | | Second | s | | 0, 1, ..., 59 | | | so | | 0th, 1st, ..., 59th | | | ss | | 00, 01, ..., 59 | | Fraction of second | S | | 0, 1, ..., 9 | | | SS | | 00, 01, ..., 99 | | | SSS | | 000, 0001, ..., 999 | | | SSSS | | ... | | Timezone (ISO-8601 w/ Z) | X | | -08, +0530, Z | | | XX | | -0800, +0530, Z | | | XXX | | -08:00, +05:30, Z | | | XXXX | | -0800, +0530, Z, +123456 | | | XXXXX | | -08:00, +05:30, Z, +12:34:56 | | Timezone (ISO-8601 w/o Z) | x | | -08, +0530, +00 | | | xx | ZZ | -0800, +0530, +0000 | | | xxx | Z | -08:00, +05:30, +00:00 | | | xxxx | | -0800, +0530, +0000, +123456 | | | xxxxx | | -08:00, +05:30, +00:00, +12:34:56 | | Timezone (GMT) | O...OOO | | GMT-8, GMT+5:30, GMT+0 | | | OOOO | | GMT-08:00, GMT+05:30, GMT+00:00 | | Timezone (specific non-locat.) | z...zzz | | GMT-8, GMT+5:30, GMT+0 | | | zzzz | | GMT-08:00, GMT+05:30, GMT+00:00 | | Seconds timestamp | t | X | 512969520 | | | tt | | ... | | Milliseconds timestamp | T | x | 512969520900 | | | TT | | ... | | Long localized date | P | | 5/29/53 | | | PP | | May 29, 1453 | | | PPP | | May 29th, 1453 | | | PPPP | | Sunday, May 29th, 1453 | | Long localized time | p | | 12:00 AM | | | pp | | 12:00:00 AM | | | ppp | | 12:00:00 AM GMT+2 | | | pppp | | 12:00:00 AM GMT+02:00 | | Combination of date and time | Pp | | 5/29/53, 12:00 AM | | | PPpp | | May 29, 1453, 12:00 AM | | | PPPppp | | May 29th, 1453 at ... | | | PPPPpppp | | Sunday, May 29th, 1453 at ... |

Characters are now escaped using single quote symbols (') instead of square brackets. format now throws RangeError if it encounters an unescaped latin character that isn't a valid formatting token.

To use YY and YYYY tokens that represent week-numbering years, you should set useAdditionalWeekYearTokens option:

  format(Date.now(), "YY", { useAdditionalWeekYearTokens: true });
  //=> '86'

To use D and DD tokens which represent days of the year, set useAdditionalDayOfYearTokens option:

  format(Date.now(), "D", { useAdditionalDayOfYearTokens: true });
  //=> '364'

  • BREAKING: function submodules now use camelCase naming schema:

    // Before v2.0.0
import differenceInCalendarISOYears from "date-fns/difference_in_calendar_iso_years";

// v2.0.0 onward
import differenceInCalendarISOYears from "date-fns/differenceInCalendarISOYears";

  • BREAKING: min and max functions now accept an array of dates rather than spread arguments.

    // Before v2.0.0
var date1 = new Date(1989, 6 /* Jul */, 10);
var date2 = new Date(1987, 1 /* Feb */, 11);

var minDate = min(date1, date2);
var maxDate = max(date1, date2);

// v2.0.0 onward:
var dates = [
new Date(1989, 6 /* Jul */, 10),
new Date(1987, 1 /* Feb */, 11),
];

var minDate = min(dates);
var maxDate = max(dates);

  • BREAKING: make the second argument of format required for the sake of explicitness.

    // Before v2.0.0
format(new Date(2016, 0, 1));

// v2.0.0 onward
format(new Date(2016, 0, 1), "yyyy-MM-dd'T'HH:mm:ss.SSSxxx");

  • BREAKING renamed ISO week-numbering year helpers:

    • addISOYears → addISOWeekYears
    • differenceInCalendarISOYears → differenceInCalendarISOWeekYears
    • differenceInISOYears → differenceInISOWeekYears
    • endOfISOYear → endOfISOWeekYear
    • getISOYear → getISOWeekYear
    • isSameISOYear → isSameISOWeekYear
    • lastDayOfISOYear → lastDayOfISOWeekYear
    • setISOYear → setISOWeekYear
    • subISOYears → subISOWeekYears

i.e. "ISO year" renamed to "ISO week year", which is short for ISO week-numbering year. It makes them consistent with locale-dependent week-numbering year helpers, e.g., startOfWeekYear.

  • BREAKING: functions renamed:

    • areRangesOverlapping → areIntervalsOverlapping
    • eachDay → eachDayOfInterval
    • getOverlappingDaysInRanges → getOverlappingDaysInIntervals
    • isWithinRange → isWithinInterval

This change was made to mirror the use of the word "interval" in standard ISO 8601:2004 terminology:

  2.1.3
  time interval
  part of the time axis limited by two instants

Also these functions now accept an object with start and end properties instead of two arguments as an interval. All these functions throw RangeError if the start of the interval is after its end or if any date in the interval is Invalid Date.

  // Before v2.0.0

  areRangesOverlapping(
    new Date(2014, 0, 10),
    new Date(2014, 0, 20),
    new Date(2014, 0, 17),
    new Date(2014, 0, 21),
  );

  eachDay(new Date(2014, 0, 10), new Date(2014, 0, 20));

  getOverlappingDaysInRanges(
    new Date(2014, 0, 10),
    new Date(2014, 0, 20),
    new Date(2014, 0, 17),
    new Date(2014, 0, 21),
  );

  isWithinRange(
    new Date(2014, 0, 3),
    new Date(2014, 0, 1),
    new Date(2014, 0, 7),
  );

  // v2.0.0 onward

  areIntervalsOverlapping(
    { start: new Date(2014, 0, 10), end: new Date(2014, 0, 20) },
    { start: new Date(2014, 0, 17), end: new Date(2014, 0, 21) },
  );

  eachDayOfInterval({
    start: new Date(2014, 0, 10),
    end: new Date(2014, 0, 20),
  });

  getOverlappingDaysInIntervals(
    { start: new Date(2014, 0, 10), end: new Date(2014, 0, 20) },
    { start: new Date(2014, 0, 17), end: new Date(2014, 0, 21) },
  );

  isWithinInterval(new Date(2014, 0, 3), {
    start: new Date(2014, 0, 1),
    end: new Date(2014, 0, 7),
  });

  • BREAKING: functions renamed:

    • distanceInWords → formatDistance
    • distanceInWordsStrict → formatDistanceStrict
    • distanceInWordsToNow → formatDistanceToNow

to make them consistent with format and formatRelative.

  • BREAKING: The order of arguments of distanceInWords and distanceInWordsStrict is swapped to make them consistent with differenceIn... functions.

    // Before v2.0.0

distanceInWords(
new Date(1986, 3, 4, 10, 32, 0),
new Date(1986, 3, 4, 11, 32, 0),
{ addSuffix: true },
); //=> 'in about 1 hour'

// v2.0.0 onward

formatDistance(
new Date(1986, 3, 4, 11, 32, 0),
new Date(1986, 3, 4, 10, 32, 0),
{ addSuffix: true },
); //=> 'in about 1 hour'

  • BREAKING: partialMethod option in formatDistanceStrict is renamed to roundingMethod.

    // Before v2.0.0

distanceInWordsStrict(
new Date(1986, 3, 4, 10, 32, 0),
new Date(1986, 3, 4, 10, 33, 1),
{ partialMethod: "ceil" },
); //=> '2 minutes'

// v2.0.0 onward

formatDistanceStrict(
new Date(1986, 3, 4, 10, 33, 1),
new Date(1986, 3, 4, 10, 32, 0),
{ roundingMethod: "ceil" },
); //=> '2 minutes'

  • BREAKING: in formatDistanceStrict, if roundingMethod is not specified, it now defaults to round instead of floor.

  • BREAKING: unit option in formatDistanceStrict now accepts one of the strings: 'second', 'minute', 'hour', 'day', 'month' or 'year' instead of 's', 'm', 'h', 'd', 'M' or 'Y'

    // Before v2.0.0

distanceInWordsStrict(
new Date(1986, 3, 4, 10, 32, 0),
new Date(1986, 3, 4, 10, 33, 1),
{ unit: "m" },
);

// v2.0.0 onward

formatDistanceStrict(
new Date(1986, 3, 4, 10, 33, 1),
new Date(1986, 3, 4, 10, 32, 0),
{ unit: "minute" },
);

  • BREAKING: parse that previously used to convert strings and numbers to dates now parses only strings in an arbitrary format specified as an argument. Use toDate to coerce numbers and parseISO to parse ISO 8601 strings.

    // Before v2.0.0
parse("2016-01-01");
parse(1547005581366);
parse(new Date()); // Clone the date

// v2.0.0 onward
parse("2016-01-01", "yyyy-MM-dd", new Date());
parseISO("2016-01-01");
toDate(1547005581366);
toDate(new Date()); // Clone the date

  • BREAKING: toDate (previously parse) now doesn't accept string arguments but only numbers and dates. toDate called with an invalid argument will return Invalid Date.

  • BREAKING: new locale format. See docs/Locale. Locales renamed:

    • en → en-US
    • zh_cn → zh-CN

    • zh_tw → zh-TW

      // Before v2.0.0
import locale from "date-fns/locale/zh_cn";

// v2.0.0 onward
import locale from "date-fns/locale/zh-CN";

  • BREAKING: now closestTo and closestIndexTo don't throw an exception when the second argument is not an array, and return Invalid Date instead.

  • BREAKING: now isValid doesn't throw an exception if the first argument is not an instance of Date. Instead, argument is converted beforehand using toDate.

Examples:

| isValid argument | Before v2.0.0 | v2.0.0 onward | | ------------------------- | ------------- | ------------- | | new Date() | true | true | | new Date('2016-01-01') | true | true | | new Date('') | false | false | | new Date(1488370835081) | true | true | | new Date(NaN) | false | false | | '2016-01-01' | TypeError | false | | '' | TypeError | false | | 1488370835081 | TypeError | true | | NaN | TypeError | false |

We introduce this change to make date-fns consistent with ECMAScript behavior that try to coerce arguments to the expected type (which is also the case with other date-fns functions).

  • BREAKING: functions now throw RangeError if optional values passed to options are not undefined or have expected values. This change is introduced for consistency with ECMAScript standard library which does the same.

  • BREAKING: format, formatDistance (previously distanceInWords) and formatDistanceStrict (previously distanceInWordsStrict) now throw RangeError if one of the passed arguments is invalid. It reflects behavior of toISOString and Intl API. See #1032.

  • BREAKING: all functions now implicitly convert arguments by following rules:

| | date | number | string | boolean | | --------- | ------------ | ------ | ----------- | ------- | | 0 | new Date(0) | 0 | '0' | false | | '0' | Invalid Date | 0 | '0' | false | | 1 | new Date(1) | 1 | '1' | true | | '1' | Invalid Date | 1 | '1' | true | | true | Invalid Date | NaN | 'true' | true | | false | Invalid Date | NaN | 'false' | false | | null | Invalid Date | NaN | 'null' | false | | undefined | Invalid Date | NaN | 'undefined' | false | | NaN | Invalid Date | NaN | 'NaN' | false |

Notes:

  • as before, arguments expected to be Date are converted to Date using date-fns' toDate function;
  • arguments expected to be numbers are converted to integer numbers using our custom toInteger implementation (see #765);
  • arguments expected to be strings are converted to strings using JavaScript's String function;
  • arguments expected to be booleans are converted to boolean using JavaScript's Boolean function.

null and undefined passed to optional arguments (i.e. properties of options argument) are ignored as if no argument was passed.

If any resulting argument is invalid (i.e. NaN for numbers and Invalid Date for dates), an invalid value will be returned:

  • false for functions that return booleans (expect isValid);
  • Invalid Date for functions that return dates;
  • and NaN for functions that return numbers.

See tests and PRs #460 and #765 for exact behavior.

  • BREAKING: all functions now check if the passed number of arguments is less than the number of required arguments and will throw TypeError exception if so.

  • BREAKING: all functions that accept numbers as arguments, now coerce values using Number() and also round off decimals. Positive decimals are rounded using Math.floor, decimals less than zero are rounded using Math.ceil.

  • BREAKING: The Bower & UMD/CDN package versions are no longer supported.

  • BREAKING: null now is not a valid date. isValid(null) returns false; toDate(null) returns an invalid date. Since toDate is used internally by all the functions, operations over null will also return an invalid date. See #537 for the reasoning.

  • toDate (previously parse) and isValid functions now accept any type as the first argument.

  • Exclude docs.json from the npm package. Kudos to @hawkrives.

Added

Functions with options (format, parse, etc.) have two FP counterparts: one that has the options object as its first argument and one that hasn't. The name of the former has WithOptions added to the end of its name.

In FP functions, the order of arguments is reversed.

See FP Guide for more information.

  import addYears from "date-fns/fp/addYears";
  import formatWithOptions from "date-fns/fp/formatWithOptions";
  import eo from "date-fns/locale/eo";

  // If FP function has not received enough arguments, it returns another function
  const addFiveYears = addYears(5);

  // Several arguments can be curried at once
  const dateToString = formatWithOptions({ locale: eo }, "d MMMM yyyy");

  const dates = [
    new Date(2017, 0 /* Jan */, 1),
    new Date(2017, 1 /* Feb */, 11),
    new Date(2017, 6 /* Jul */, 2),
  ];

  const formattedDates = dates.map((date) => dateToString(addFiveYears(date)));
  //=> ['1 januaro 2022', '11 februaro 2022', '2 julio 2022']

It allows usage with bundlers that support tree-shaking, like rollup.js and webpack:

  // Without tree-shaking:
  import format from "date-fns/format";
  import parse from "date-fns/parse";

  // With tree-shaking:
  import { format, parse } from "date-fns";

Also, ESM functions provide default export, they can be used with TypeScript to import functions in more idiomatic way:

  // Before
  import * as format from "date-fns/format";

  // Now
  import format from "date-fns/format";

[1.30.1] - 2018-12-10

Fixed

Added

Changed

[1.30.0] - 2018-12-10

⚠️ The release got failed.

[1.29.0] - 2017-10-11

Fixed

Added

1.28.5 - 2017-05-19

Fixed

  • Fixed a.m./p.m. formatters in Chinese Simplified locale. Thanks to @fnlctrl. See PR #486

1.28.4 - 2017-04-26

Fixed

  • Fixed accents on weekdays in the Italian locale. See PR #481. Thanks to @albertorestifo

  • Fixed typo in ddd format token in Spanish language locale. Kudos to @fjaguero. See PR #482

1.28.3 - 2017-04-14

Fixed

  • Fixed ordinal numbers for Danish language locale. Thanks to @kgram. See PR #474

1.28.2 - 2017-03-27

Fixed

  • Fixed dd and ddd formatters in Polish language locale. Kudos to @justrag. See PR: #467

1.28.1 - 2017-03-19

Fixed

  • Fixed DST border bug in addMilliseconds, addSeconds, addMinutes, addHours, subMilliseconds, subSeconds, subMinutes and subHours. See issue #465

  • Minor fix for Indonesian locale. Thanks to @bentinata. See PR: #458

1.28.0 - 2017-02-27

Added

Fixed

  • All functions now convert all their arguments to the respective types. See PR: #443

  • Fixes for ordinals (1er, 2, 3, …) in French locale. Thanks to @fbonzon. See PR: #449

1.27.2 - 2017-02-01

Fixed

  • Various fixes for Dutch locale. See PR: #416. Thanks to Ruben Stolk @rubenstolk

1.27.1 - 2017-01-20

Fixed

  • Added generation of TypeScript locale sub-modules, allowing import of locales in TypeScript.

1.27.0 - 2017-01-19

Added

1.26.0 - 2017-01-15

Added

  • getTime

Fixed

  • Various fixes for Japanese locale. See PR: 395. Thanks to Yamagishi Kazutoshi @ykzts

1.25.0 - 2017-01-11

Added

1.24.0 - 2017-01-06

Added

1.23.0 - 2017-01-05

Added

1.22.0 - 2016-12-28

Added

1.21.1 - 2016-12-18

Fixed

  • Fixed isBefore and isAfter documentation mistakes.

1.21.0 - 2016-12-16

Added

1.20.1 - 2016-12-14

Fixed

  • Fixed documentation for getOverlappingDaysInRanges.

1.20.0 - 2016-12-13

Added

  • areRangesOverlapping and getOverlappingDaysInRanges Thanks to Joanna T @asia-t. See PR: #331

1.19.0 - 2016-12-13

Added

1.18.0 - 2016-12-12

Added

Fixed

  • SS and SSS formats in format are now correctly displayed with leading zeros. Thanks to Paul Dijou @pauldijou. See PR: #330

1.17.0 - 2016-12-10

Added

Fixed

  • Fixed TypeScript and flow typings for isValid. See PR: #310

  • Fixed incorrect locale tests that could potentially lead to format bugs. Kudos to Mateusz Derks @ertrzyiks. See related PRs: #312, #320

  • Minor language fixes in the documentation. Thanks to Vedad Šoše @vedadsose (#314) and Asia @asia-t (#318)

Changed

  • format now returns String('Invalid Date') if the passed date is invalid. See PR: #323

  • distanceInWords, distanceInWordsToNow, distanceInWordsStrict and format functions now check if the passed locale is valid, and fallback to English locale otherwise. See PR: #321

  • Internal: use a loop instead of Object.keys in buildFormattingTokensRegExp to improve compatibility with older browsers. See PR: #322

1.16.0 - 2016-12-08

Added

1.15.1 - 2016-12-07

Fixed

  • Fixed TypeScript imports from individual modules. Thanks to @mattlewis92. See related PR: #287

1.15.0 - 2016-12-07

Added

Fixed

  • Fixed some inaccuracies in Spanish locale. Kudos to @guigrpa. See related PR: #302

1.14.1 - 2016-12-06

Fixed

  • Fixed broken test for Norwegian Bokmål locale.

1.14.0 - 2016-12-06

Added

1.13.0 - 2016-12-06

Added

1.12.1 - 2016-12-05

Fixed

  • Added distanceInWordsStrict to the list of supported functions in I18n doc.

1.12.0 - 2016-12-05

Added

Fixed

  • Fixed flow typings for some of the functions. See PR: #273

1.11.2 - 2016-11-28

Fixed

  • Bug in parse when it sometimes parses ISO week-numbering dates incorrectly. See PR: #262

  • Bug in some functions which caused them to handle dates earlier than 100 AD incorrectly. See PR: #263

1.11.1 - 2016-11-24

Fixed

  • Include TypeScript typings with npm package.

1.11.0 - 2016-11-23

Added

1.10.0 - 2016-11-01

Added

  • parse now can parse dates that are ISO 8601 centuries (e.g., 19 and +0019).

    var result = parse("19");
//=> Mon Jan 01 1900 00:00:00

  • In parse, added ability to specify the number of additional digits for extended year or century format (possible values are 0, 1 or 2; default is 2).

    parse("+002016-11-01");
parse("+02016-11-01", { additionalDigits: 1 });
parse("+2016-11-01", { additionalDigits: 0 });

1.9.0 - 2016-10-25

Added

  • Got index.js imports to work with SystemJS.

1.8.1 - 2016-10-24

Fixed

  • Added Japanese and German language locales to the list in I18n doc.

1.8.0 - 2016-10-23

Added

1.7.0 - 2016-10-20

Added

1.6.0 - 2016-10-16

Added

1.5.2 - 2016-10-13

Fixed

  • Incorrectly generated docs for format.

  • Fixed typo in I18n doc.

1.5.1 - 2016-10-12

Fixed

  • A change log entry for 1.5.0 is added.

1.5.0 - 2016-10-12

Added

1.4.0 - 2016-10-09

Added

Fixed

  • Fixed incorrect behaviour of YYYY and YY for years prior to 1000: now format(new Date('0001-01-01'), 'YYYY-MM-DD') returns 0001-01-01 instead of 1-01-01.

1.3.0 - 2016-05-26

Added

  • closestIndexTo

1.2.0 - 2016-05-23

Added

  • Added an ability to pass negative numbers to setDay.

1.1.1 - 2016-05-19

Fixed

  • Fixed Flow declarations for some of the functions.

1.1.0 - 2016-05-19

Added

1.0.0 - 2016-05-18

Fixed

  • format now returns the correct result for key E.

  • Prevent startOf..., endOf... and lastDayOf... functions to return dates with an incorrect time when the date is modifying into another time zone.

  • parse now parses years from 1 AD to 99 AD correctly.

  • Fix a bug in getISOWeek appearing because of a changing time zone (e.g., when the given date is in DST and the start of the ISO year is not).

Changed

  • BREAKING: all functions are moved to the root of the library, so they are now accessible with require('date-fns/name_of_function') or import nameOfFunction from 'date-fns/name_of_function'.

    // Before v1.0.0
var addMonths = require("date-fns/src/add_months");

// v1.0.0 onward
var addMonths = require("date-fns/add_months");

  • BREAKING: functions that had the last optional argument weekStartsAt (i.e. endOfWeek, isSameWeek, lastDayOfWeek, setDay, startOfWeek) now instead receive the object options with the property options.weekStartsOn as the last argument.

    // Before v1.0.0
var result = endOfWeek(new Date(2014, 8, 2), 1);

// v1.0.0 onward
var result = endOfWeek(new Date(2014, 8, 2), { weekStartsOn: 1 });

  • BREAKING: remove the function getTimeSinceMidnight that was used inside the other functions.

  • BREAKING: differenceInDays now returns the number of full days instead of calendar days.

  • BREAKING: eachDay and isWithinRange now throw an exception when the given range boundaries are invalid.

  • Faster isLeapYear.

  • Internal: make the documentation more verbose.

  • Internal: convert the tests from Chai to power-assert allowing them to run against IE8.

Added

  • addISOYears

  • closestTo

  • differenceInCalendarDays

  • differenceInCalendarISOWeeks

  • differenceInCalendarISOYears

  • differenceInCalendarMonths

  • differenceInCalendarQuarters

  • differenceInCalendarWeeks

  • differenceInCalendarYears

  • differenceInHours

  • differenceInISOYears

  • differenceInMilliseconds

  • differenceInMinutes

  • differenceInMonths

  • differenceInQuarters

  • differenceInSeconds

  • differenceInWeeks

  • differenceInYears

  • distanceInWords

  • distanceInWordsToNow

  • endOfISOWeek

  • endOfISOYear

  • endOfToday

  • endOfTomorrow

  • endOfYesterday

  • getDaysInYear

  • isDate

  • isFriday

  • isMonday

  • isSameISOWeek

  • isSameISOYear

  • isSaturday

  • isSunday

  • isThisHour

  • isThisISOWeek

  • isThisISOYear

  • isThisMinute

  • isThisMonth

  • isThisQuarter

  • isThisSecond

  • isThisWeek

  • isThisYear

  • isThursday

  • isTomorrow

  • isTuesday

  • isValid

  • isWednesday

  • isYesterday

  • lastDayOfISOWeek

  • lastDayOfISOYear

  • startOfISOWeek

  • startOfToday

  • startOfTomorrow

  • startOfYesterday

  • subISOYears

  • Add Qo, W, Wo, WW, GG, GGGG, Z, ZZ, X, x keys to format.

0.17.0 - 2015-09-29

Fixed

  • Fixed a lot of bugs appearing when date is modifying into other time zone (e.g., when adding months and original date is in DST but new date is not).

  • Prevent instances of Date to lose milliseconds value when passed to. parse in IE10.

Changed

  • setISOWeek now keeps time from original date.

  • Internal: reuse getDaysInMonth inside of addMonths.

Added

  • differenceInDays

  • getTimeSinceMidnight

  • format now has new format key aa, which returns a.m./p.m. as opposed to a that returns am/pm.

  • Complete UMD package (for Bower and CDN).

0.16.0 - 2015-09-01

Changed

  • Use parse to clean date arguments in all functions.

  • parse now fallbacks to new Date when the argument is not an ISO formatted date.

  • Internal: reuse getDaysInMonth inside of setMonth.

Added

  • addQuarters

  • addWeeks

  • endOfQuarter

  • getDate

  • getDay

  • getDaysInMonth

  • getHours

  • getISOWeeksInYear

  • getMilliseconds

  • getMinutes

  • getMonth

  • getSeconds

  • getYear

  • isLeapYear

  • isSameHour

  • isSameMinute

  • isSameQuarter

  • isSameSecond

  • lastDayOfQuarter

  • lastDayOfWeek

  • max

  • min

  • setDate

  • setDay

  • setHours

  • setMilliseconds

  • setMinutes

  • setSeconds

  • startOfQuarter

  • subQuarters

  • subWeeks

0.15.0 - 2015-08-26

Changed

  • format now returns a.m./p.m. instead of am/pm.

  • setMonth now sets last day of month if original date was last day of longer month.

  • Internal: Fix code style according to ESLint.

  • Internal: Make tests run through all time zones.

Added

  • getQuarter

  • setQuarter

  • getDayOfYear

  • setDayOfYear

  • isPast

  • addSeconds

  • subSeconds

  • startOfSecond

  • endOfSecond

  • startOfMinute

  • endOfMinute

  • addMilliseconds

  • subMilliseconds

  • endOfYear

  • addYears

  • subYears

  • lastDayOfYear

  • lastDayOfMonth

0.14.11 - 2015-08-21

Fixed

  • format now uses parse to avoid time zone bugs.

Changed

  • setIsoWeek now sets time to the start of the day.

0.14.10 - 2015-07-29

Fixed

  • format now behaves correctly with 12:00 am.

  • format now behaves correctly with ordinal numbers.

Added

  • compareAsc

  • compareDesc

  • addHours

  • subHours

  • isSameDay

  • parse

  • getISOYear

  • setISOYear

  • startOfISOYear

  • getISOWeek

  • setISOWeek

0.14.9 - 2015-01-14

Fixed

  • addMonths now correctly behaves with February (see #18).

0.14.8 - 2014-12-25

Fixed

  • format function now behaves correctly with pm/am.

0.14.6 - 2014-12-04

Fixed

  • Fix broken Bower support.

0.14.0 - 2014-11-05

Added

  • Bower package.

0.13.0 - 2014-10-22

Added

  • addMinutes

  • subMinutes

  • isEqual

  • isBefore

  • isAfter

0.12.1 - 2014-10-19

Fixed

  • Incorrect rounding in DDD formatter.

0.12.0 - 2014-10-15

Added

  • isSameYear

0.11.0 - 2014-10-15

Added

  • isWithinRange

0.10.0 - 2014-10-13

Added

  • format

  • startOfYear

0.9.0 - 2014-10-10

Changed

  • Internal: simplify isWeekend

Added

  • isFuture

0.8.0 - 2014-10-09

Changed

  • Internal: reuse addDays inside of subDays.

Added

  • addMonths

  • subMonths

  • setMonth

  • setYear

0.7.0 - 2014-10-08

Added

  • isSameWeek

0.6.0 - 2014-10-07

Fixed

  • Inconsistent behavior of endOfMonth.

Added

  • isFirstDayOfMonth

  • isLastDayOfMonth

  • isSameMonth

0.5.0 - 2014-10-07

Added

  • addDays

  • subDays

0.4.0 - 2014-10-07

Added

  • startOfWeek

  • endOfWeek

  • eachDay

0.3.0 - 2014-10-06

Changed

  • startOfDay now sets milliseconds as well.

Added

  • endOfDay

  • startOfMonth

  • endOfMonth

0.2.0 - 2014-10-06

Added

  • isToday

  • isWeekend

0.1.0 - 2014-10-06

Added

  • startOfDay