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

lightweight, powerful javascript datetimepicker with no dependencies

⏱ A library for working with dates and times in JS

🏹 Better dates & times for Python

A powerful Date/time picker widget.

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

Python datetimes made easy

全龄段友好的C#万能工具库，码数吐司库，包含一些常用的操作类，大都是静态类，加密解密，反射操作，权重随机筛选算法，分布式短id，表达式树，linq扩展，文件压缩，多线程下载，硬件信息，字符串扩展方法，日期时间扩展操作，中国农历，大文件拷贝，图像裁剪，验证码，断点续传，集合扩展、Excel导出等常用封装。诸多功能集一身，代码量不到2MB！

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

A simple, semantic and developer-friendly time package for golang

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

libfaketime modifies the system time for a single application

A mobile components Library with Vue2.js. 一只基于Vue2.x的移动端组件库。

A React component for choosing dates and date ranges.

KotlinX multiplatform date/time library

📆 Parse, format, manipulate, and internationalize dates and times in JavaScript and TypeScript.

Useful extensions to the standard Python datetime features

Robust and type-safe date and time calculations for Swift

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.

GoLang Parse many date strings without knowing format in advance.