⏱ A library for working with dates and times in JS

An easily internationalizable, mobile-friendly datepicker library for the web

Datetimes for Humans™

Robust and type-safe date and time calculations for Swift

GoLang Parse many date strings without knowing format in advance.

🗓 A library to help you work with dates in multiple languages, based on Carbon.

The missing calendar management for Laravel

Lightweight and fast recurring dates library for PHP (RFC 5545)

Time calculations using business hours.

Azan + Prayer Time + MCP + AI Agents + Islamic + Salah + A lightweight MCP library to calculate prayer times and trigger Azan with a single tool call. If you’re building an AI agent or prayer application, there’s no need to deal with astronomical calculations, timezones, or edge cases again.

Simple java library for displaying dates as relative time ago language.

Simple modern-looking event calendar 📅💜

yourcalendricalfallacyis.com

Submod - Expand your time with Monika! Adds new dates, minigames, quality-of-life tools, and deeper interactions to Monika After Story.

A simple datepicker component designed for Svelte.

Utilities for work days in Moment. (Western workweeks only.)

Calendar (dates), Periods and Time table for Power BI and Fabric

A simple CLI tool to show the installation/modification times of all your pip packages

diff-ymd-package provides APIs for calculating the difference between two dates in formatted ways or customized desired formats in all cases

Making dates and times readable for humans.