Open World Holidays Framework

Worldwide holidays (REST API), NuGet or docker container 🌎

Jollyday - A holiday API

A Moment.js plugin for handling holidays. NO LONGER MAINTAINED (DEPRECATED)

Smart-Period aims to simplify Time-range manipulation

[ING]Swift版の日本の祝祭日判定コードとカレンダーサンプル（iOS Sample Study: Swift）

Holidata is the core of holidata.net, a no-nonsense, ad-free provider of international holiday data.

Enrico Service provides holiday dates for several countries.

MomentJS Plugin: Check if a date is a german holiday (Feiertag)

Financial datetimes and holiday recurrence rules

Deutsche Feiertage - Adapter für ioBroker

Breinify's JavaScript API Library

日本の祝日 祝祭日 を計算するPythonライブラリ

Производственные календари РФ (2023—2025) в формате JSON. Простой API для получения данных.

A Java library for calculating dates of public holidays

The best calendar table you'll ever find! Generate a calendar table with many columns of date dimensions and metadata. Output to dataframe or CSV to ingest into a database or for use in an application like Excel or PowerBI.

A PHP library for persian (jalali) calendar events.

A Moment.js plugin for handling holidays at scale.

Global holidays API for public holidays, bank holidays and observances from 230+ countries

This code helps you to check dates against holidays and worktime.