Access accurate public holiday data by country and year, including local names, holiday types, dates, regional coverage, and observance details.

Keep track of public and non-public holidays around the world. You can check what holidays are going to be celebrated in a vast list of supported countries.

Libera.Date.Api is a high-precision date calculation engine designed to streamline business logic for global applications. Its core strength lies in its advanced Working Days System, which accurately calculates business days by automatically excluding weekends and public holidays for multiple countries (including 100 countries). Beyond simple duration checks, the API offers intelligent scheduling tools like finding the nearest available working day, analyzing date ranges for non-working intervals, and distinguishing between standard weekends and legal holidays. Whether you are computing SLAs, planning delivery windows, or building HR rosters, Libera.Date.Api ensures your dates align with real-world business calendars.

The Future UK Bank Holidays API allows developers to retrieve future bank holidays in the United Kingdom by using a required parameter for the date.

Accurate business-day, holiday, and scheduling math for major countries and their subdivisions — without maintaining a single holiday calendar yourself. Add or subtract working days, check if a date is a business day, find the next valid date, or count working days between two dates, with full support for regional subdivisions, custom weekends, and your own blackout dates. One simple GET call, instant JSON.

Enhance your scheduling with the Smart API, designed to simplify date and business day calculations with intelligence.

Trust our Reliable API for consistent date and business day calculations, ensuring you never miss a deadline again.

The Global API delivers seamless date and business day calculations worldwide, catering to international business needs.

Get precise results every time with our Accurate API for calculating dates and business days—perfect for business professionals.

Official South Korea public holidays 2024-2027. Includes substitute holidays. Source: Korean government data via data.go.kr

Unlock a world of celebration with the Holidays API! Dive into a treasure trove of festive data spanning 230+ countries. Delve into past revelries or plan ahead with future calendars. From public jubilations to religious observances and bank holidays, this API ensures your application is always in sync with global festivities.

Look up public holidays for 55 countries, calculate business day deadlines, find the next business day, export holidays to iCal, and more — all backed by versioned JSON data with no external dependencies at runtime. Covers 55 countries across Africa, Americas, Asia, Europe and Oceania for years 2024 to 2027.

Check if a specific date is a public holiday in any country worldwide, providing accurate and up-to-date holiday information instantly.

Check and retrieve holiday data from around the world with ease and accuracy.

Access a detailed worldwide holiday calendar to enhance your applications.

Seamlessly retrieve worldwide holiday information for planning and scheduling.

Access a comprehensive database of global holidays effortlessly with our API.

Validate transaction dates against Korea's public holidays, ensuring compliance and smooth fintech operations.

Get real-time updates on Korea's public holidays to plan your schedule effortlessly!

Stay organized with a comprehensive calendar of Korea's public holidays for personal or business use.

Quickly look up any public holiday in Korea and never miss an important date again!

Access vital public holiday data for payroll processing in Korea seamlessly.

Streamline your applications by retrieving accurate holiday calendar information effortlessly with our Retrieve Holiday Calendar Information API.

Calculate business days accurately while accessing global holiday data to optimize your workflows.

Ensure timely project deliveries with the SLA Deadline Calculator, using global holidays for precise deadline calculations.