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.

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.

Korean public holidays with substitute-holiday logic, plus accurate Revised Romanization of Korean text - in one fast, zero-dependency JSON API on a global edge. Check if any date is a public holiday, list a year's holidays, romanize Hangul, or get today's Korea date and holiday status. Lunar-solar conversion, the 24 solar terms and the sexagenary cycle coming in v1.1.

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.

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.

The API retrieves state-specific holidays by year, helping users to plan and schedule activities efficiently.

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!

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

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.

Extract international holiday information quickly for travel and event planning.

The Global Vacation Data API offers detailed insights into paid vacation days and public holidays across multiple countries, enabling comparisons and analysis.

The Vacation Stats API provides detailed statistics on paid vacation days and public holidays across various countries, facilitating comparisons and analysis.

Calculates business days, SLA due dates, holiday-aware deadlines, skipped weekends and holidays, business hours, and business-time durations.

Quickly extract vital holiday schedule data for planning and analytics using our Holiday Schedule 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.