Calendar APIs
18 APIs in this category, each polled for structural drift. Recently broken ones are flagged.
| Calendarific | healthy | Worldwide Holidays |
| Checkiday - National Holiday | healthy | Industry-leading holiday data with over 5,000 holidays and thousands of descriptions |
| Church Calendar | healthy | Catholic liturgical calendar |
| Czech Namedays Calendar | healthy | Lookup for a name and returns nameday date |
| Festivo Public Holidays | healthy | Fastest and most advanced public holiday and observance service on the market |
| Google Calendar | healthy | Display, create and modify Google calendar events |
| Hebrew Calendar | healthy | Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc |
| Holidays | healthy | Historical data regarding holidays |
| LectServe | healthy | Protestant liturgical calendar |
| Nager.Date | healthy | Public holidays for more than 90 countries |
| Namedays Calendar | healthy | Provides namedays for multiple countries |
| Non-Working Days | healthy | Database of ICS files for non working days |
| Non-Working Days | healthy | Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other |
| Public Holidays | healthy | Data on national, regional, and religious holidays via API |
| Russian Calendar | healthy | Check if a date is a Russian holiday or not |
| The Calendar | healthy | Public holidays for US states and 30 countries plus sports and finance calendars as static JSON |
| UK Bank Holidays | healthy | Bank holidays in England and Wales, Scotland and Northern Ireland |
| caldays | healthy | Public holidays for 195+ countries |