Convert dates between 13 calendars and get Islamic, Jewish, Chinese and Persian holiday dates (Ramadan, Eid, Passover, Chinese New Year, Nowruz) for 1900-2100.

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.

Indicates if a date is a trading day for LatAm markets (BYMA, B3, BMV); returns the next trading day, lists annual holidays, and calculates business days between dates

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.

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.

Get up-to-date information on upcoming MMA fights across major promotions like UFC, Bellator, and ONE Championship.

Streamline your applications by retrieving accurate holiday calendar information effortlessly with our Retrieve Holiday Calendar Information API.

Calculate your balloon payments easily, helping you manage large final payments effectively with our API.

Generate clear amortization schedules for your mortgages, allowing for better planning of your repayment strategy.

Discover the benefits of biweekly payments to accelerate your loan repayment with our practical calculation API.

Calculate global stamp duties with ease using our comprehensive Stamp Duty Calculator for any mortgage or loan.

Quickly assess your debt-to-income ratio with our accurate tool, ensuring your mortgage approval success.

Understand interest-only mortgage structures with our tool, offering clarity on potential costs and benefits.

Explore options to combine multiple loans effortlessly with our Loan Consolidation API for better financial management.

Evaluate your home buying possibilities with our Affordability Calculator, making budgeting simpler and smarter.

Determine your refinancing break-even point accurately, ensuring you make informed decisions with our intuitive tool.

Simplify interest calculations with the APR Calculator, helping you choose the best loan options available.

Ensure timely project deliveries with the SLA Deadline Calculator, using global holidays for precise deadline calculations.

Calculate business days accurately while accessing global holiday data to optimize your workflows.