Calendarific
Worldwide public holidays REST API covering 230+ countries. Calendarific provides national, local, religious, and observance holiday data with localization across many ISO-639 languages. Used for ecommerce scheduling, HR systems, travel planning, payroll, and global operations.
APIs
Calendarific Holiday API
REST API returning worldwide public holidays for any of 230+ countries and any year through 2049. Supports filtering by month, day, sub-region (ISO-3166-2), holiday type, and la...
Capabilities
Features
Coverage of national holidays across more than 230 countries.
Holiday names and descriptions in many ISO-639 languages (premium).
Filter by national, local, religious, or observance categories.
Filter by ISO-3166-2 state or region codes.
Holidays from historical years through 2049.
Download holiday data as flat files in addition to API access.
Multiple keys per account for environment separation.
Use Cases
Plan promotions, shipping cutoffs, and customer service hours around local holidays.
Populate localized leave calendars and statutory holiday pay.
Surface holiday windows that affect bookings, demand, and pricing.
Plan global team staffing around local public holidays.
Hydrate enterprise calendars (Google, Outlook) with localized holidays.
Identify country-specific trading and settlement closures.
Integrations
Imported holiday data into Google Calendar via custom calendars.
Hydrate Outlook calendars with localized holiday events.
Community Home Assistant sensor uses Calendarific as a data source.
Community ETL examples using Python, SQLite, and Apache Airflow.
Solutions
REST API for embedding holiday data into apps and services.
CSV and XLS bulk exports for analytics and offline use.