caldays
Public holidays for 195+ countries
Calendar APIs
12 free APIs with no signup and no API key. Data from public-apis (MIT).
Church Calendar
Catholic liturgical calendar
Czech Namedays Calendar
Lookup for a name and returns nameday date
Hebrew Calendar
Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc
LectServe
Protestant liturgical calendar
Nager.Date
Public holidays for more than 90 countries
Namedays Calendar
Provides namedays for multiple countries
Non-Working Days
Database of ICS files for non working days
Non-Working Days
Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other
Russian Calendar
Check if a date is a Russian holiday or not
The Calendar
Public holidays for US states and 30 countries plus sports and finance calendars as static JSON
UK Bank Holidays
Bank holidays in England and Wales, Scotland and Northern Ireland
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