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.

Domain Age API returns the creation date of any domain, helping determine its age, credibility, and online presence history.

Automate age calculations for individuals or events, simplifying age-related tasks and ensuring accuracy in date calculations seamlessly.

Simplify the process of calculating age for people or events, improving the efficiency of age-related tasks while guaranteeing accurate date-based calculations with ease.

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.

The Weather Channel API (Unofficial) API for Precise Weather Data

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.

Horoscope Today API provides personalized daily predictions based on zodiac signs and weekdays, offering insights into emotions, energy, and decision-making guidance.

Horoscope by Date API delivers daily personalized zodiac predictions based on specific dates, offering insights into emotions, energy, and life guidance.

Explore the phases of the moon with Horoscope Information API for enhanced planning.

Access timely domain age metrics to enhance your digital marketing campaigns and elevate your online presence.

Gain a competitive edge by researching domain age nuances with our comprehensive API for informed decision-making.

Retrieve precise domain age, registration, and expiration details with this API—ideal for ownership verification, research, and domain lifecycle insights.

Ultimate Chinese Calendar API is a tool that provides information related to the Chinese lunar calendar, also known as the Chinese lunisolar calendar. This calendar is used in several countries, including China, Taiwan, and Vietnam, and is based on the movements of the moon.

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

Horoscope Date API is a powerful tools that provide developers with access to a vast database of astrological information, including horoscopes, zodiac signs, and other related data.

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.

Instantly discover how old a domain is, including years, months, days, registration date, and expiration, in a structured, easy-to-use format.

Domain Date Reveal API delivers the exact domain age, registration and expiry dates—perfect for SEO, market research, and digital due diligence.

Retrieve detailed domain age, registration, and expiration information to assess credibility, trust level, and longevity in a straightforward JSON format.