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

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.

A Historical Moments API is a powerful tool that offers users access to a vast collection of historical events, people, facts and figures from different time periods and cultures.

Unearth the past with the Historical Events API! Explore significant moments from 3200 BCE to 2000 CE, spanning ancient civilizations to the modern era. Ideal for history, culture, and education applications. Build captivating websites, apps, or games with this frequently updated and reliable API. Embrace history and bring it to life!

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.

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.

Access a comprehensive historical events API delivering accurate, structured data across centuries, enabling applications to provide engaging timelines, insights, and context.

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.

Unlock the tapestry of time with the Events in History API—a portal to explore the profound and pivotal moments that shaped our world. From ancient marvels to contemporary milestones, this API unveils a kaleidoscope of renowned events, offering a captivating journey through the annals of human history.

Schedule weekly events with precision using the Weekly BYDAY Recurrence Weekly BYDAY Recurrence RRULE API.

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

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.

Easily retrieve rich information about crucial historical events using the Retrieve Historical Events Information API.

Retrieve and explore an extensive archive of historical events with the Historical Events Archive Retrieval API.

Extract engaging content related to pivotal historical events seamlessly with the Historical Events Content Extractor API.

Access detailed data on significant historical events effortlessly with our Historical Events Data Fetcher API.

Get comprehensive data on historical events quickly and efficiently with the Get Get Historical Events Data API.