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tc39/proposal-temporal

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Provides standard objects and functions for working with dates and times.

40 mentions on Hacker News by 35 people: 8 stories, 32 comments · first 2018-04-25 · latest 2026-03-18

Mentions per year 40 mentions · busiest year 2020 (13)
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  1. …for all zoneless types and "ZonedDateTime" for the DST-safe one. You can read 150 comments in https://github.com/tc39/proposal-temporal/issues/707 if you want to understand the arguments made on all sides of this issue. 5. Why is it…
    comment by justingrantjg · 2026-03-18 · in Temporal: The 9-year journey to fix time in JavaScript
  2. …like `Temporal.now()`. Given that I proposed the initial design of the ZonedDateTime type ( https://github.com/tc39/proposal-temporal/pull/700 ) I'm understandably sympathetic to that point of view! But there are performance concerns.…
    comment by justingrantjg · 2026-03-18 · in Temporal: The 9-year journey to fix time in JavaScript
  3. yes, there's a few different polyfills https://github.com/tc39/proposal-temporal/tree/main/#polyfil...
    comment by jitl · 2026-03-12 · in Temporal: The 9-year journey to fix time in JavaScript
  4. …in a library for this. The built in Date class is miserable. Also see the new Temporal proposal https://github.com/tc39/proposal-temporal
    comment by svachalek · 2025-07-30 · in JavaScript decided my day starts at 9am
  5. …benefits from work prepared by ECMA TC39, specifically in the Temporal proposal. Implementations: https://github.com/tc39/proposal-temporal/tree/main/?tab=rea... https://issues.chromium.org/issues/42201538
    comment by someothherguyy · 2024-12-08 · in RFC 9557: Date and Time on the Internet: Timestamps with Additional Information
  6. Where can I find production-ready polyfills? https://github.com/tc39/proposal-temporal/#polyfills only lists alpha and beta versions.
    comment by uallo · 2024-08-25 · in JavaScript dates are about to be fixed
  7. …really correspond to anything "real" either. Here's the thread about signed durations for Temporal: https://github.com/tc39/proposal-temporal/issues/558 Apparently signed durations are a common feature in virtually every datetime library.
    comment by burntsushi · 2024-07-22 · in Jiff: Datetime library for Rust
  8. …to mention error-prone. Suffice it to say that I'm waiting with bated breath on the Temporal API ( https://github.com/tc39/proposal-temporal ).
    comment by mhink · 2024-07-16 · in Timezone-naive datetimes are one of the most dangerous objects in Python
  9. …Temporal TC39 proposal, which defines new types for working with temporal data in JavaScript. ref: https://github.com/tc39/proposal-temporal
    comment by LinusU · 2022-11-23 · in Unix time is bad and needs replacement, not UTC
  10. …a third-party date library obsolete (as long as you do not need to parse custom date formats). - https://github.com/tc39/proposal-temporal - https://github.com/tc39/proposal-temporal#polyfills - https://tc39.es/proposal-temporal/ -…
    comment by FrontAid · 2022-10-09 · in Day.js – Fast 2kB alternative to Moment.js with the same modern API
  11. …might be most useful here [0]: https://github.com/fullcalendar/temporal/blob/main/packages/... [1]: https://github.com/tc39/proposal-temporal#polyfills [2]: https://caniuse.com/wasm [3]: https://caniuse.com/asmjs
    comment by no_wizard · 2022-07-17 · in Why am I excited about WebAssembly?
  12. This issue currently blocks shipping Temporal support without a flag : https://github.com/tc39/proposal-temporal/issues/1450
    comment by FrontAid · 2021-12-29 · in Show HN: Tzintl.js – International Date-Time Conversion
  13. they might get built-in https://caniuse.com/temporal ? ( https://tc39.es/proposal-temporal/docs/ ) ( https://github.com/tc39/proposal-temporal ) > NOTE: Although this proposal's API is not expected to change, implementers of this proposal…
    comment by merb · 2021-09-18 · in You may not need Moment.js
  14. …finish work with IETF to standardize the string formats used for calendar and time zone annotations https://github.com/tc39/proposal-temporal/issues/1450
    comment by Vinnl · 2021-06-29 · in Temporal: Getting started with JavaScript's new date time API
  15. …I'm not sure whether I'd have made the same decision, but it's certainly a valid one to make. [1] https://github.com/tc39/proposal-temporal/issues/1454 [2] https://tc39.es/proposal-temporal/docs/calendar-review#why-a...
    comment by Vinnl · 2021-06-29 · in Temporal: Getting started with JavaScript's new date time API
  16. …a few issues along the way, trying to help TC39 learn from Joda's experience, with varying results: https://github.com/tc39/proposal-temporal/issues?q=is%3Aissu...
    comment by twic · 2021-06-28 · in Temporal: Getting started with JavaScript's new date time API
  17. Regarding fixing Date, Temporal hit stage 3 recently: https://github.com/tc39/proposal-temporal
    comment by pocketgrok · 2021-06-06 · in Stage 3 Proposal: Array.prototype.at
  18. Related. I can't wait for [Temporal]( https://github.com/tc39/proposal-temporal ) - which hit Stage 3 a few months ago - to bring sanity to time in the browser. Combined with Intl, it will be much easier to build universal calendaring. I…
    comment by evangow · 2021-06-01 · in Intl
  19. …3 proposal. People should be using its poly fill instead of other data libraries where possible. https://github.com/tc39/proposal-temporal JS standard libraries are forever. It pays to take a bit more time and get it right.
    comment by hajile · 2021-03-24 · in I finally escaped Node
  20. “Temporal” is also the name of a JS Date object alternative being proposed. https://github.com/tc39/proposal-temporal
    comment by nefitty · 2020-10-18 · in Temporal: open-source microservices orchestration platform
  21. …to be entirely different from "fixing" old JS cruft. Apart from the i32, i64 stuff I guess. [1] https://github.com/tc39/proposal-temporal [2] https://github.com/Microsoft/TypeScript/pull/12253#issuecomm... [3]…
    comment by inbx0 · 2020-09-28 · in Show HN: A SQL database implemented purely in TypeScript type annotations
  22. > `DateTime` should probably be split... https://github.com/tc39/proposal-temporal
    comment by RobertKerans · 2020-09-15 · in We now consider Moment.js to be a legacy project in maintenance mode
  23. Well they actively ignored his input: https://github.com/tc39/proposal-temporal/issues/7 https://github.com/tc39/proposal-temporal/issues/84#issuecom...
    comment by needusername · 2020-07-10 · in Dates and Times in JavaScript – A New API for Dates from TC39
  24. It's a current WIP idea for the spec: https://github.com/tc39/proposal-temporal/pull/700 Figuring out a name is still part of the ongoing discussion, so this specific case of `LocalDateTime` isn't a huge deal, and I might have…
    comment by jasonkillian · 2020-07-09 · in Dates and Times in JavaScript – A New API for Dates from TC39
  25. I think he's referring to https://github.com/tc39/proposal-temporal/issues/707 .
    comment by leothekim · 2020-07-09 · in Dates and Times in JavaScript – A New API for Dates from TC39
  26. …https://docs.oracle.com/javase/8/docs/api/java/time/package-... [2]: https://www.threeten.org/ [3]: https://github.com/tc39/proposal-temporal/issues/707
    comment by jasonkillian · 2020-07-09 · in Dates and Times in JavaScript – A New API for Dates from TC39
  27. …handling a lot easier. [1]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... [2]: https://github.com/tc39/proposal-temporal
    comment by runarberg · 2020-06-04 · in What the Hell Is a Deno?
  28. …obvious, there's a Stage 2 tc39 proposal that was spawned from this blog post called Temporal: https://github.com/tc39/proposal-temporal At a glance, it does follow the same ideas as the great Joda Time library (now a part of the Java…
    comment by jasonkillian · 2020-02-28 · in Fixing JavaScript's Date (2017)
  29. On a related note, JavaScript is getting a better date library: https://github.com/tc39/proposal-temporal .
    comment by olalonde · 2020-02-20 · in You don't need libraries for internationalization of dates
  30. The one open PR is a self described "first go" at a polyfill. https://github.com/tc39/proposal-temporal/pull/57
    comment by Klathmon · 2018-06-13 · in Javascript utility libraries to know in 2018
  31. …and contribute your views on the TC39 Temporal proposal. There’s a polyfill to play with now... https://github.com/tc39/proposal-temporal
    comment by apaprocki · 2018-06-13 · in Javascript utility libraries to know in 2018
  32. There’s a stage 1 proposal for better date/time features https://github.com/tc39/proposal-temporal
    comment by scottmf · 2018-04-25 · in Show HN: Fast 2kB date library alternative to Moment.js with the same API