JavaScript Datetime

Open-source JavaScript projects categorized as Datetime
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Top 8 JavaScript Datetime Projects

Datetime

  1. dayjs

    ⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

    Project mention: Getting started with Zustand state management for React | dev.to | 2025-04-05

    In keeping with our functional style of programming, we create a new array with the added or removed bookmark each time we add or remove one. Note I have added a third key/value pair to the bookmarks array, dateAdded, but you can disregard that. If you do want this same functionality don't forget to install and import Day.js. Next I will add the partial persistence code:

  2. Civic Auth

    Auth in Less Than 5 Minutes. Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today.

    Civic Auth logo

  3. Luxon

    ⏱ A library for working with dates and times in JS

    Project mention: How to parse and format a date in JavaScript | dev.to | 2024-05-08

    Luxon (14.7k ⭐) — A library that leverages JavaScript’s Intl for speed and slimness while providing what Intl doesn’t: an immutable user-friendly API. It also supports time zones and localization.

  4. react-date-range

    A React component for choosing dates and date ranges.

  5. laydate

    一款被广泛使用的高级 Web 日历组件，完全开源无偿且颜值与功能兼备，足以应对日期相关的各种业务场景

  6. pg-calendar

    :calendar: beautiful and eidetic date picker

  7. qrono

    🕥 Just right date time library (by urin)

    Project mention: Show HN: Just right and light-weight date time library for JavaScript | news.ycombinator.com | 2025-03-02

  8. inquirer-date-prompt

    A date prompt plugin for Inquirer.js.

  9. InfluxDB

    InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.

    InfluxDB logo

  10. myTab

    myTab is a simple chrome extension that overrides a new chrome tab with beautiful Wallpaper, Weather Information, Date, Time, and a Quote. (by helloukey)

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).

JavaScript Datetime discussion

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JavaScript Datetime related posts

  • Getting started with Zustand state management for React

    1 project | dev.to | 5 Apr 2025

  • JavaScript Temporal Is Coming

    14 projects | news.ycombinator.com | 30 Jan 2025

  • Format dates and times easily in your application using Day.js

    1 project | dev.to | 12 Jan 2025

  • React Custom Hooks vs. Helper Functions - When To Use Both

    2 projects | dev.to | 3 Jul 2024

  • How to parse and format a date in JavaScript

    4 projects | dev.to | 8 May 2024

  • Handling dates in JavaScript with Tempo

    4 projects | dev.to | 7 May 2024

  • Mastering Time: State-of-the-Art Date Handling in JavaScript

    2 projects | dev.to | 29 Apr 2024
  • A note from our sponsor - Civic Auth
    www.civic.com | 26 Apr 2025
    Civic Auth comes with multiple SSO options, optional embedded wallets, and user management — all implemented with just a few lines of code. Start building today. Learn more →

Index

What are some of the best open-source Datetime projects in JavaScript? This list will help you:

# Project Stars
1 dayjs 47,701
2 Luxon 15,848
3 react-date-range 2,617
4 laydate 1,110
5 pg-calendar 128
6 qrono 123
7 inquirer-date-prompt 21
8 myTab 13

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