Calendar APIs

Retrieve information about public holidays, religious observances, and calendar data across multiple countries.

Available APIs

API	Description	Auth	HTTPS	CORS
Public Holidays	Data on national, regional, and religious holidays via API	`apiKey`	Yes	Yes
Calendarific	Worldwide Holidays	`apiKey`	Yes	Unknown
Checkiday - National Holiday API	Industry-leading Holiday API. Over 5,000 holidays and thousands of descriptions. Trusted by the World’s leading companies	`apiKey`	Yes	Unknown
Church Calendar	Catholic liturgical calendar	No	No	Unknown
Czech Namedays Calendar	Lookup for a name and returns nameday date	No	No	Unknown
Festivo Public Holidays	Fastest and most advanced public holiday and observance service on the market	`apiKey`	Yes	Yes
Google Calendar	Display, create and modify Google calendar events	`OAuth`	Yes	Unknown
Hebrew Calendar	Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc	No	No	Unknown
Holidays	Historical data regarding holidays	`apiKey`	Yes	Unknown
LectServe	Protestant liturgical calendar	No	No	Unknown
Nager.Date	Public holidays for more than 90 countries	No	Yes	No
Namedays Calendar	Provides namedays for multiple countries	No	Yes	Yes
Non-Working Days	Database of ICS files for non working days	No	Yes	Unknown
Non-Working Days	Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other	No	Yes	Yes
Russian Calendar	Check if a date is a Russian holiday or not	No	Yes	No
UK Bank Holidays	Bank holidays in England and Wales, Scotland and Northern Ireland	No	Yes	Unknown

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