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

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.

Accurate, lightweight and fast REST API for Jewish and Hebrew calendar holiday calculation, holiday lookup by key, upcoming holiday lookup, date range filtering, and keyword search across Gregorian

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.

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

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.

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

Streamline healthcare appointment scheduling by automatically considering Korea's public holidays for optimal patient management.

Stay organized with a comprehensive calendar of Korea's public holidays for personal or business use.

Quickly look up any public holiday in Korea and never miss an important date again!

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.

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.

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.

Expand and manipulate calendar occurrences effortlessly using the Expand Expand Calendar Occurrences RRULE API.

Antenatal visit dates from the WHO 2016, NICE or ACOG published schedules, as calendar dates.

Gestational age at any given date, returned as a 29w2d label and as total days.

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

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

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

Effortlessly access a comprehensive database of global holiday events and dates with our Holiday Events Data Fetch API.

Quickly extract vital holiday schedule data for planning and analytics using our Holiday Schedule API.

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.

AI-powered Jewish content moderation API. Analyzes text across 7 Halachic compliance categories using Torah, Talmud, and Shulchan Aruch. Returns compliance score, severity level, and rabbinical notes.