DateTime is the term used in programming when referring todate andtime related topics, which is a complex field, including

• handling oftimezones

• localizeddate formatting

• date arithmetic

• different calendars (Gregorian, Julian, Chinese, Islamic, Hebrew, etc.)

• universal storage format (ISO 8601,timestamp

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

• UpdatedFeb 21, 2025
• JavaScript

lightweight, powerful javascript datetimepicker with no dependencies

• UpdatedAug 2, 2024
• TypeScript

⏱ A library for working with dates and times in JS

• UpdatedFeb 13, 2025
• JavaScript

🏹 Better dates & times for Python

• UpdatedNov 20, 2024
• Python

A powerful Date/time picker widget.

• UpdatedMar 11, 2025
• HTML

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

• UpdatedMar 14, 2025
• Python

Python datetimes made easy

• UpdatedJan 31, 2025
• Python

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！

• UpdatedMar 7, 2025
• C#

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

• UpdatedJul 24, 2024
• TypeScript

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

• UpdatedMar 8, 2025
• Go

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

• UpdatedMar 11, 2025
• C++

libfaketime modifies the system time for a single application

• UpdatedJan 29, 2025
• C

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

• UpdatedJun 7, 2024
• Vue

A React component for choosing dates and date ranges.

• UpdatedApr 22, 2024
• JavaScript

KotlinX multiplatform date/time library

• UpdatedMar 14, 2025
• Kotlin

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

• UpdatedAug 21, 2024
• TypeScript

Useful extensions to the standard Python datetime features

• UpdatedFeb 25, 2025
• Python

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.

• UpdatedFeb 1, 2025
• Java

Robust and type-safe date and time calculations for Swift

• UpdatedOct 26, 2024
• Swift

A datetime library for Rust that encourages you to jump into the pit of success.

• UpdatedMar 16, 2025
• Rust