Calendar & Holiday Engine

Calendar & Holiday Engine MCP Connector for Claude

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Calculate exact dates for global holidays across Gregorian, Islamic, Hebrew, Chinese, and Hindu calendars.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner

This MCP server provides high-precision temporal calculations for global holidays. It bridges AI agents to multiple calendrical systems, including Gregorian, Islamic (Hijri), Hebrew (Lunisolar), Chinese (Lunisolar), and Hindu calendars. Use get_holidays_by_year to retrieve a full list of dates for any year between 1583 and 9999, or get_holiday_details to find specific metadata for a single event. The engine also supports check_holiday_proximity to determine the temporal distance to upcoming or past holidays relative to a specific date.

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3 tools expose this connector's capabilities to your AI agent.

check_holiday_proximity

Answers how many days remain until the next upcoming holiday or how many days have passed since the last one

get_holiday_details

Provide the exact name of the holiday. Provides deep metadata for a specific holiday occurring in a specific year

get_holidays_by_year

You can optionally provide a country code to filter for public holidays. Returns a complete list of all holidays for a specific year across all supported calendar systems and countries

See how to talk to your AI agent using Calendar & Holiday Engine.

What holidays are there in 2025 in the USA?

In 2025, the USA has holidays such as New Year's Day on January 1st, Martin Luther King Jr. Day on January 20th, and Memorial Day on May 26th.

How many days until Christmas 2024?

Christmas is on December 25th, 2024.

When is Eid al-Fitr in 2025?

Eid al-Fitr in 2025 is expected to fall around March 30th.

The engine supports any year from 1583 to 9999.

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