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Calendar

Events, holidays, and scheduling.

18 APIs·12 need no auth

What you'd build

Show public holidays by country/region
Build scheduling and booking flows
Sync events to user calendars

Data points you can pull

Public holidaysEvent timesTime zonesRecurrence rulesAvailability slots

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18 of 18 APIs

caldays↗
No auth🔒 HTTPSCORS
Public holidays for 195+ countries
Calendarific↗
API key🔒 HTTPSCORS
Worldwide Holidays
Checkiday - National Holiday↗
API key🔒 HTTPSCORS
Industry-leading holiday data with over 5,000 holidays and thousands of descriptions
Church Calendar↗
No authCORS
Catholic liturgical calendar
Czech Namedays Calendar↗
No authCORS
Lookup for a name and returns nameday date
Festivo Public Holidays↗
API key🔒 HTTPSCORS
Fastest and most advanced public holiday and observance service on the market
Google Calendar↗
OAuth🔒 HTTPSCORS
Display, create and modify Google calendar events
Hebrew Calendar↗
No authCORS
Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc
Holidays↗
API key🔒 HTTPSCORS
Historical data regarding holidays
LectServe↗
No authCORS
Protestant liturgical calendar
Nager.Date↗
No auth🔒 HTTPSCORS
Public holidays for more than 90 countries
Namedays Calendar↗
No auth🔒 HTTPSCORS
Provides namedays for multiple countries
Non-Working Days↗
No auth🔒 HTTPSCORS
Database of ICS files for non working days
Non-Working Days↗
No auth🔒 HTTPSCORS
Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other
Public Holidays↗
API key🔒 HTTPSCORS
Data on national, regional, and religious holidays via API
Russian Calendar↗
No auth🔒 HTTPSCORS
Check if a date is a Russian holiday or not
The Calendar↗
No auth🔒 HTTPSCORS
Public holidays for US states and 30 countries plus sports and finance calendars as static JSON
UK Bank Holidays↗
No auth🔒 HTTPSCORS
Bank holidays in England and Wales, Scotland and Northern Ireland