📦 Calendar

Public holidays for 195+ countries · No authentication required · HTTPS supported · CORS enabled

Worldwide Holidays · Authentication: `apiKey` · HTTPS supported · CORS not supported

Industry-leading holiday data with over 5,000 holidays and thousands of descriptions · Authentication: `apiKey` · HTTPS supported · CORS not supported

Catholic liturgical calendar · No authentication required · HTTP only · CORS not supported

Lookup for a name and returns nameday date · No authentication required · HTTP only · CORS not supported

Fastest and most advanced public holiday and observance service on the market · Authentication: `apiKey` · HTTPS supported · CORS enabled

Display, create and modify Google calendar events · Authentication: `OAuth` · HTTPS supported · CORS not supported

Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc · No authentication required · HTTP only · CORS not supported

Historical data regarding holidays · Authentication: `apiKey` · HTTPS supported · CORS not supported

Protestant liturgical calendar · No authentication required · HTTP only · CORS not supported

Public holidays for more than 90 countries · No authentication required · HTTPS supported · CORS not supported

Provides namedays for multiple countries · No authentication required · HTTPS supported · CORS enabled

Database of ICS files for non working days · No authentication required · HTTPS supported · CORS not supported

Data on national, regional, and religious holidays via API · Authentication: `apiKey` · HTTPS supported · CORS enabled

Check if a date is a Russian holiday or not · No authentication required · HTTPS supported · CORS not supported

Public holidays for US states and 30 countries plus sports and finance calendars as static JSON · No authentication required · HTTPS supported · CORS enabled