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Precision Conversion Public Holidays Skipping Business Days Calculation Date Range Analysis Date Calculation Persian Holidays Age Calculation Tool IVF Tracking Life Event Age Islamic Holidays Custom Weekends Weekday Information Chinese Lunisolar Calendar Calculator Time Zone Conversion Supported Zone List Zodiac Sign Information Conversion Tools Horoscope Generation Event Duration

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Best date conversion APIs

Age Calculation API

Tools & Utilities

Automate age calculations for individuals or events, streamlining age-related tasks and ensuring precise date computations effortlessly.

Free 7-Day Trial

100% uptime 354ms avg MCP ready

Age Finder API

Tools & Utilities

Automate age calculations for individuals or events, streamlining age-related tasks and ensuring precise date computations effortlessly.

Free 7-Day Trial

100% uptime 282ms avg MCP ready

Age Calculator API

Tools & Utilities

Automate age calculations for individuals or events, simplifying age-related tasks and ensuring accuracy in date calculations seamlessly.

Free 7-Day Trial

100% uptime 478ms avg MCP ready

Age Metrics API

Tools & Utilities

Simplify the process of calculating age for people or events, improving the efficiency of age-related tasks while guaranteeing accurate date-based calculations with ease.

Free 7-Day Trial

100% uptime 241ms avg MCP ready

Age Verifier API

Tools & Utilities

Simplify age calculations for individuals or events, making age-related tasks more efficient while ensuring accurate date-based computations with ease.

Free 7-Day Trial

100% uptime 227ms avg MCP ready

Time Zone Converter and World Clock API

Tools & Utilities

Current time or any date in any IANA time zone with UTC offset, weekday and Unix time. Convert one moment to many time zones at once.

Free 7-Day Trial

100% uptime 60ms avg MCP ready

Business-Day API

Tools & Utilities

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.

Free 7-Day Trial

100% uptime 203ms avg MCP ready

Time Zone Clock Converter API

Tools & Utilities

Convert any date and time between world time zones with correct daylight saving handling, get the current time of any zone with its offset, or list every supported zone name. Daylight saving rules follow the standard worldwide zone database.

Free 7-Day Trial

100% uptime 235ms avg MCP ready

Business Days Calculator API

Tools & Utilities

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

Free 7-Day Trial

100% uptime 444ms 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 561ms avg MCP ready

Unit Measurement Conversion Fetch API

Tools & Utilities

Effortlessly convert and retrieve measurement units with precision using our Unit Measurement Conversion Fetch API.

Free 7-Day Trial

100% uptime 392ms avg MCP ready

Horoscope Date API

Market Data & Trading

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.

100% uptime 1,026ms avg MCP ready

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

Pregnancy Due Date - Gestational Age API

Health & Fitness

Pregnancy due date and gestational age API. EDD from LMP, conception, IVF transfer day, or ultrasound CRL. ACOG redating rules, trimester, and term milestones. Deterministic ISO 8601 dates.

Free 7-Day Trial