Search 579,000+ open jobs from 3,100+ large employers that hire through Workday career sites. Filter by title, location, remote, salary and posting date. Up to 50 jobs per call. Refreshed daily.

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

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

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.

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

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.

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.

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

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

1.2M+ open jobs from 15,700+ employers, incl. 940K from big-company Oracle and Workday career sites. 50 jobs per call, 10,000 calls for $24.99. Salary, remote, country filters. Refreshed daily.

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

Search remote job openings from 15,700+ company career sites and 1.2M+ jobs. Filter by title, country, salary, company and posting date. Up to 50 jobs per call. Refreshed daily.

Search 1.2M+ open jobs from 15,700+ company career sites in one request, incl. Oracle and Workday enterprise sites. Up to 50 jobs per call. Filter by title, location, remote, salary, date.

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

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.

Find open jobs that list a pay range, with minimum, maximum, currency and pay interval, from 1.2M+ jobs on 15,700+ career sites. Filter by title, location and company. Refreshed daily.

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

Search 364,000+ open jobs from 1,800+ large employers on Oracle Recruiting Cloud career sites. Filter by title, location, remote, salary and posting date. Up to 50 jobs per call. Refreshed daily.

Conception date from a last menstrual period or from a known due date, as ISO 8601 dates

Due date from last menstrual period using Naegele's rule, with 21-45 day cycle length correction.