Calendar APIs

Public holidays for 195+ countries

Worldwide Holidays

Industry-leading holiday data with over 5,000 holidays and thousands of descriptions

Catholic liturgical calendar

Lookup for a name and returns nameday date

Various date and time calculations

Fastest and most advanced public holiday and observance service on the market

Generates iCal calendar events that can be used across calendar applications

Display, create and modify Google calendar events

Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc

Historical data regarding holidays

Protestant liturgical calendar

Public holidays for more than 90 countries

Provides namedays for multiple countries

Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other

Database of ICS files for non working days

Public and school holidays for many countries via an open REST API

Data on national, regional, and religious holidays via API

Check if a date is a Russian holiday or not

Public holidays for US states and 30 countries plus sports and finance calendars as static JSON

Bank holidays in England and Wales, Scotland and Northern Ireland