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.

Effortlessly convert multiple users’ working hours across time zones into synchronized UTC availability while retrieving precise local times for each participant.

The Global Time Locator API offers precise time zone details, including historical data, facilitating seamless integration into global applications.

The Global Temporal Data API provides accurate time zone information with historical data for seamless integration of global applications.

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

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.

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

Get accurate timezone details, including DST offset and UTC offset, for any latitude and longitude location using the Global Timezone Locator API.

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

Efficiently retrieve timezone, UTC, and DST information for any latitude and longitude.

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

The Global Time API is a valuable resource that makes it easy for developers to access accurate and up-to-date time and date information for countries around the world.

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

Embark on a temporal journey with the World Time API – your global clock for instant access to the current date and time in any city. Seamlessly integrating with applications, this API synchronizes the world, ensuring users stay connected to the heartbeat of time across diverse corners of the globe.

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

Extract international holiday information quickly for travel and event planning.

Capture essential time zone overlap data effortlessly to enhance global collaboration and scheduling accuracy.

Easily identify overlapping time zones to streamline scheduling across different regions with our API.

Calculate time zone overlap quickly to optimize meetings and enhance productivity across different locations.

Quickly retrieve comprehensive time zone overlap data for precise planning and effective communication.

Extract vital time zone overlap information seamlessly to improve cross-region coordination and connection.

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

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.