Top 23 Datetime Open-Source Projects

• dayjs

  101 45,835 6.9 JavaScript

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

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

Day.js (45.3k ⭐) — A minimalist library that offers an excellent API without much overhead. It is very similar to Moment.js but much smaller in size. It also supports plugins for additional features.

• flatpickr

  13 15,991 0.0 TypeScript

  lightweight, powerful javascript datetimepicker with no dependencies

  

Project mention: I am looking for a troubled/bad open source codebase | /r/ExperiencedDevs | 2023-07-12

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• Luxon

  32 14,906 7.6 JavaScript

  ⏱ 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.

• arrow

  11 8,563 4.0 Python

  🏹 Better dates & times for Python (by arrow-py)

  

• Pendulum

  11 6,071 7.3 Python

  Python datetimes made easy

Project mention: Creating Command-Line Tools in Python with argparse - Guide | /r/learningpython | 2023-12-09

I did the same with datetime and moved to using Pendulum.

• orjson

  17 5,588 8.3 Python

  Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy

Project mention: JSON dans les projets data science : Trucs & Astuces | dev.to | 2024-03-07

• timeago.js

  2 5,168 2.6 TypeScript

  :clock8: :hourglass: timeago.js is a tiny(2.0 kb) library used to format date with `*** time ago` statement.

• SaaSHub

  www.saashub.com featured

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• carbon

  0 4,523 9.7 Go

  A simple, semantic and developer-friendly golang package for time (by golang-module)

  

• date

  24 3,044 5.5 C++

  A date and time library based on the C++11/14/17 <chrono> header

Project mention: Ask HN: Did you encounter any Leap Year bugs today? How bad was it? | news.ycombinator.com | 2024-02-29

> but I'd be surprised if there was not a modern date library for C++

The standard library now includes . AFAIK: It was mostly written by Howard Hinnant. He now has more date/time libs that expand upon : https://github.com/HowardHinnant/date

• NodaTime

  18 2,682 7.9 C#

  A better date and time API for .NET

  

• libfaketime

  7 2,577 5.8 C

  libfaketime modifies the system time for a single application

• react-date-range

  6 2,559 5.6 JavaScript

  A React component for choosing dates and date ranges.

  

• Chronology

  6 2,280 8.9 Swift

  Robust and type-safe date and time calculations for Swift

• dateutil

  3 2,253 5.8 Python

  Useful extensions to the standard Python datetime features

  

• kotlinx-datetime

  4 2,216 8.5 Kotlin

  KotlinX multiplatform date/time library

  

• react-native-date-picker

  5 2,088 8.6 Java

  React Native Date Picker is datetime picker for Android and iOS. It includes date, time and datetime picker modes. The datepicker is customizable and is supporting different languages. It's written with native code to achieve the best possible look, feel and performance.

• dateparse

  1 1,990 0.0 Go

  GoLang Parse many date strings without knowing format in advance.

• delorean

  0 1,843 0.0 Python

  Delorean: Time Travel Made Easy

• timex

  1 1,718 2.7 Elixir

  A complete date/time library for Elixir projects.

• Recognizers-Text

  10 1,648 6.5 C#

  Microsoft.Recognizers.Text provides recognition and resolution of numbers, units, date/time, etc. in multiple languages (ZH, EN, FR, ES, PT, DE, IT, TR, HI, NL. Partial support for JA, KO, AR, SV). Packages available at: https://www.nuget.org/profiles/Recognizers.Text, https://www.npmjs.com/~recognizers.text

  

• when

  0 1,317 5.1 Go

  A natural language date/time parser with pluggable rules (by olebedev)

• angular-bootstrap-datetimepicker

  1 1,286 5.1 TypeScript

  Native Angular date/time picker component styled by Twitter Bootstrap

• laydate

  1 1,112 0.0 JavaScript

  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

  

• SaaSHub

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  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

  

Datetime related posts

• 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

• The Day.js Dilemma: How Should We Handle OSS Maintainers Going MIA?

  2 projects | news.ycombinator.com | 12 Apr 2024

• Creating Command-Line Tools in Python with argparse - Guide

  1 project | /r/learningpython | 9 Dec 2023

• Everything you need to know about Date in Programming

  2 projects | dev.to | 28 Oct 2023

• Show HN: Timezone-typesafe date and time library for Go

  1 project | news.ycombinator.com | 11 Sep 2023
• A note from our sponsor - SaaSHub
  www.saashub.com | 10 May 2024

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