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

🐔 Toolkit to parse, validate, manipulate, compare and display dates, time & timezones in Swift.

• UpdatedSep 19, 2023
• Swift

Joda-Time is the widely used replacement for the Java date and time classes prior to Java SE 8.

• UpdatedMar 29, 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.

• UpdatedApr 25, 2025
• Rust

Fancy date ranges for Moment.js

• UpdatedMar 21, 2023
• JavaScript

Third-party date and time pickers for Android.

• UpdatedJul 2, 2019
• Java

Make working with dates in R just that little bit easier

• UpdatedApr 1, 2025
• R

An Easy to Use Calendar for iOS (Swift 5.0)

• UpdatedNov 16, 2023
• Swift

Fast ISO8601 date time parser for Python written in C

• UpdatedDec 9, 2024
• Python

📅 Tiny date, time diff calculator with piggybacked timers

• UpdatedJan 11, 2025
• Python

ezTime — pronounced "Easy Time" — is a very easy to use Arduino time and date library that provides NTP network time lookups, extensive timezone support, formatted time and date strings, user events, millisecond precision and more.

• UpdatedFeb 14, 2024
• C++

Date and time library for PHP

• UpdatedApr 8, 2025
• PHP

✉️ Learn Network Protocol and Network Programming

• UpdatedOct 31, 2023
• C

Emacs timestamp and date-time library

• UpdatedMar 19, 2024
• Emacs Lisp

PyTime is an easy-use Python module which aims to operate date/time/datetime by string.

• UpdatedNov 5, 2022
• Python

Java Coding Problems, Second Edition - Published by Packt

• UpdatedApr 23, 2024
• Java

A helping hand for generating sensible data with ScalaCheck

• UpdatedApr 23, 2025
• Scala

OCaml date time handling and reasoning suite

• UpdatedNov 8, 2024
• OCaml

An extension for Visual Studio Code that provides a configurable command for inserting the current date and time

• UpdatedFeb 10, 2022
• TypeScript

java.time Kotlin extension functions library.

• UpdatedApr 25, 2025
• Kotlin