CountdownsHQ
Dates and timezone-correct countdowns for 150+ holidays and observances in 18 countries
Calendar · No auth · HTTPS
Calendar APIs
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Ordered by reported HTTPS, CORS support, no-auth access, then changed/observed facts. Access signals are not a popularity or quality score.
Intellibook
Appointment booking and availability API for salons and clinics
Calendar · No auth · HTTPS
India Public Holidays
Official Indian public holidays for the Central government and 36 states/UTs
Calendar · No auth · HTTPS
Nager.Date
Public holidays for more than 200 countries
Calendar · No auth · HTTPS
OpenHolidays API
Public and school holidays for many countries via an open REST API
Calendar · No auth · HTTPS
caldays
Public holidays for 195+ countries
Calendar · No auth · HTTPS
Namedays Calendar
Provides namedays for multiple countries
Calendar · No auth · HTTPS
Non-Working Days
Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other
Calendar · No auth · HTTPS
The Calendar
Public holidays for US states and 30 countries plus sports and finance calendars as static JSON
Calendar · No auth · HTTPS
Africa Compliance Data
Public holidays and business days for all 54 African countries, from official sources
Calendar · API key · HTTPS
Calendar Index
Worldwide Holidays and Working Days
Calendar · API key · HTTPS
Feriados API
Brazilian holidays API covering national, state, and municipal holidays for 5,570+ municipalities
Calendar · API key · HTTPS
Festivo Public Holidays
Fastest and most advanced public holiday and observance service on the market
Calendar · API key · HTTPS
Public Holidays
Data on national, regional, and religious holidays via API
Calendar · API key · HTTPS
Byabbe
Seach histories from wikipedia for a particular day
Calendar · No auth · HTTPS
TimeZones iCal Library
Database of official time zones and corresponding iCal VTIMEZONE blocks
Calendar · No auth · HTTPS
Nager.Date
Public holidays for more than 90 countries
Calendar · No auth · HTTPS
Non-Working Days
Database of ICS files for non working days
Calendar · No auth · HTTPS
Russian Calendar
Check if a date is a Russian holiday or not
Calendar · No auth · HTTPS
UK Bank Holidays
Bank holidays in England and Wales, Scotland and Northern Ireland
Calendar · No auth · HTTPS
Calendarific
Worldwide Holidays
Calendar · API key · HTTPS
Checkiday - National Holiday
Industry-leading holiday data with over 5,000 holidays and thousands of descriptions
Calendar · API key · HTTPS
Google Calendar
Display, create and modify Google calendar events
Calendar · OAuth · HTTPS
Holidays
Historical data regarding holidays
Calendar · API key · HTTPS