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.

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

Retrieve open, close, and after-hours prices for a stock symbol on a specified date using an API.

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.

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.

Retrieve rich content about operating systems seamlessly to enhance your applications.

Access comprehensive information on various operating systems quickly and efficiently.

Effortlessly gather and manage diverse operating systems data with this powerful API.

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

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

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

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

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

The Operating Systems Data API gives structured access to detailed comparison data of operating systems (OS). It allows clients to list all OS names and query specific OS details individually through simple RESTful endpoints.

Obtain business hours and social profile data to keep your customers informed and engaged.

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

Access comprehensive information on various operating systems quickly and efficiently.

Access comprehensive information on various operating systems quickly and efficiently.

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.

Count working days between two dates or add business days to a date, skipping weekends and public holidays of 100+ countries and regions.