Holidays alternatives for AI agents.

Easily access public holidays for 100+ countries via .NET, REST API, Docker, or NuGet for online and offline use.

:calendar: CLI calendar application

Modern TUI calendar and task manager with minimal and customizable UI.

判断一天是不是法定节假日/法定工作日（查看节假日安排）

React Native Calendar Components 🗓️ 📆

The SimpleLogin back-end and web app

Oncall is a calendar tool designed for scheduling and managing on-call shifts. It can be used as source of dynamic ownership info for paging systems like http://iris.claims.

Exchange calendars to use with pandas for trading applications

🍀 Local git statistics including GitHub-like contributions calendars.

Invite others to grab times on your calendar. Choose a date. Make appointments as easy as it gets.

农历，中国农历历法项目，无需数据库环境，以《钦定协纪辨方书》为核心的python3 农历、黄历、二十四节气、节假日、星次、每日凶煞、每日值神、农历建除十二神、农历每日宜忌、彭祖百忌、每日五行、二十八星宿、天干地支、农历生辰八字、时辰凶吉等开源项目。

iCal-creator for PHP

日历、公历(阳历)、农历(阴历、老黄历)、佛历、道历，支持节假日、星座、儒略日、干支、生肖、节气、节日、彭祖百忌、每日宜忌、吉神宜趋凶煞宜忌、吉神(喜神/福神/财神/阳贵神/阴贵神)方位、胎神方位、冲煞、纳音、星宿、八字、五行、十神、建除十二值星、青龙名堂等十二神、黄道黑道日及吉凶等。lunar is a calendar library for Solar and Chinese Lunar.

Simple Python & Flask web-calendar

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

Full-sized drag & drop event calendar in JavaScript