The Calendar
VerifiedStatic JSON calendars for US holidays, 30 countries, sports, and finance.
What is The Calendar?
The Calendar is a data service that returns public holiday information for US states and 30 countries together with sports and finance calendars, all provided as static JSON files.
It is useful for developers integrating holiday schedules, sports fixtures, or financial event data into applications without authentication requirements.
What you can build with The Calendar
Build country-aware scheduling tools
Pull public holiday JSON for specific US states or countries to automatically block non-working days in team calendars, project management apps, or employee time-off systems.
Enrich finance dashboards
Consume the finance calendar endpoints to mark market closures and trading holidays directly inside trading platforms, portfolio trackers, or reporting scripts.
Power sports event listings
Integrate the sports calendar JSON into mobile apps or websites to display upcoming matches, seasons, and rest days without maintaining custom date data.
Get started with The Calendar
- 1Visit the API base URL over HTTPS
- 2Browse available static JSON endpoints for holidays, sports, or finance
- 3Select the file matching your target country, US state, or calendar type
- 4Issue a simple GET request to fetch the JSON
- 5Parse and cache the response in your application
The Calendar: pros & cons
Pros
- +No API key or authentication needed
- +Static JSON responses are fast and cache-friendly
- +Covers holidays for 30+ countries plus US states
- +Includes ready-made sports and finance calendars
Cons
- –Data is static and may lag behind last-minute changes
- –Only covers predefined calendars, no custom event support
- –Limited to 30 countries
Frequently asked questions
It provides public holiday dates for US states and 30 countries, plus sports and finance calendars, delivered as static JSON files over HTTPS.
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