Top 9 JavaScript Timezone Projects

spacetime

2 3,959 7.5 JavaScript

A lightweight javascript timezone library
relative-time-element

2 2,977 5.2 JavaScript

Web component extensions to the standard <time> element.

Project mention: Htmx, Rust and Shuttle: A New Rapid Prototyping Stack | news.ycombinator.com | 2023-11-01

Web Components, e.g. https://github.com/github/relative-time-element

SurveyJS

surveyjs.io sponsored

Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
js-joda

7 1,586 7.5 JavaScript

:clock2: Immutable date and time library for javascript

Project mention: Everything you need to know about Date in Programming | dev.to | 2023-10-28

js-joda

timezone-boundary-builder

7 813 8.0 JavaScript

A tool to extract data from Open Street Map (OSM) to build the boundaries of the world's timezones.

Project mention: Falsehoods programmers believe about time zones | news.ycombinator.com | 2024-02-13

They don't really bother me. They aren't AI spam, and some folks may enjoy them. It's pretty easy to not click on a link, for me.
TZ are a fun project. I found that it's difficult to translate a long/lat into a TZ ID, so I wrote this[0].
Works a charm. It's based on the Timezone Boundary Builder[1].
[0] https://github.com/LittleGreenViper/LGV_TZ_Lookup
[1] https://github.com/evansiroky/timezone-boundary-builder

geolocator

1 638 0.0 JavaScript

A utility for getting geo-location information via HTML5 and IP look-ups, geocoding, address look-ups, distance and durations, timezone information and more... (by onury)
LocateJS

22 313 0.0 JavaScript

Check if your location is actually hidden
set-timezone

1 89 2.8 JavaScript

GitHub action to set timezone in your locale, works with Linux, Windows, MacOS

Project mention: JS Date: The Timezone Tantrum | dev.to | 2023-11-14

We set up Sze Ying's action set-timezone and that's it!

WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
tz.js

2 12 0.0 JavaScript

A fast, lightweight, zero-dependency library to translate between Time Zones and UTC with native Intl.DateTimeFormat in ~100 LoC.
MyLocalTimes

1 2 0.0 JavaScript

:iphone: :earth_americas: MyLocalTimes mobile app is an simple app to consulting the local time of the world :earth_africa: :iphone:

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).