Ultimate Chinese Calendar API

Market Data & Trading

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.

Free 7-Day Trial

100% uptime 1,091ms avg MCP ready

World Calendar Converter API - Islamic Hebrew Chinese

Tools & Utilities

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

Free 7-Day Trial

100% uptime 396ms avg MCP ready

World Calendars Converter API

Tools & Utilities

Convert dates between Gregorian, Hebrew, Islamic and Chinese calendars; holidays by year.

100% uptime MCP ready

Chinese Zodiac API

Entertainment & Media

The Chinese Zodiac API provides information about the Chinese zodiac in both simplified and traditional languages.

Free 7-Day Trial

100% uptime 627ms avg MCP ready

Zodiac Sign API - Western and Chinese Astrology

Entertainment & Media

Exact zodiac sign from birth date, time and time zone (real Sun position, right on cusp days) plus Chinese zodiac animal, element and yin/yang from the real lunar calendar.

Free 7-Day Trial

100% uptime 436ms avg MCP ready

LMP Based Due Date Calculation API

Health & Fitness

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

Free 7-Day Trial

100% uptime MCP ready

Korea Calendar API

Tools & Utilities

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.