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Count working days and business-day due dates

Answers how many working days lie between two dates, what date falls a number of business days after a start date, and which bank or school holidays a country or region has. Last checked 2026-10-17.

Connection
Streamable HTTP
API key
None needed
Rate limit
60 calls a minute
Protocol
MCP 2024-11-05

how many working days between 14 july and 18 august in germany

You get the business days, calendar days and weekend days between two dates, plus holidays on working days. Pass the country code, start and end dates as YYYY-MM-DD, and a region if you have one.

Both end dates are counted by default; includeStartDate and includeEndDate change that. Weekends are Saturday and Sunday unless weekendDays is set. Without a region, holidays only some regions keep are not counted, but the answer lists them. Company closures and local observances are not included. Tool: count_business_days on https://businessdays.openkrill.app/mcp.

does 16 days of leave cover 5 to 31 december

You get the count of business days in that range, so you can compare it with your leave days. Pass the country code, 5 and 31 December as YYYY-MM-DD, and a region if the user names a state or province.

Public holidays on working days are returned, and the answer states the conventions used. Half days such as Christmas Eve count as working days. Check the official calendar and your contract before relying on the result. Tool: count_business_days on https://businessdays.openkrill.app/mcp.

what date is 5 working days before 20 december in the us

You get the resulting date and weekday, the holidays skipped and the conventions used. Pass the country code, the start date as YYYY-MM-DD, the number of days as a negative number for earlier, and a region if one applies.

The start date is day 0 and is not counted. It moves up to 1000 business days at a time. Legal deadlines that follow court or contract rules, and calendar-day offsets, are outside what it is meant for, so check the contract before relying on a date. Tool: add_business_days on https://businessdays.openkrill.app/mcp.

sla due date skipping weekends and bank holidays

You get the SLA due date with its weekday, the holidays skipped, and how the days were counted. Pass the country code, the start date, the turnaround in business days and a region if named.

Adding days uses the start date as day 0. Bank holidays that are not days off, optional days and half days count as working days. Add a region such as GB-SCT or DE-BY to include that region's holidays. Tool: add_business_days on https://businessdays.openkrill.app/mcp.

is monday a bank holiday in bavaria

You get Bavaria's public holidays for the year, each with date, weekday and whether it applies nationwide or regionally, so you can see whether one falls on that Monday. Pass country DE, the year and region DE-BY.

For school breaks, set kind to school; school holidays are published for a limited set of countries, mostly in Europe. Company holidays and local observances are not included, so check the official calendar. Tool: list_holidays on https://businessdays.openkrill.app/mcp.

Run it yourself

This page does not return live data. Call the tool on the server to get it. The server is Business Days & Workday Calc at https://businessdays.openkrill.app/mcp, with no key. Install steps: ChatGPT, Claude, Cursor, VS Code, Pi. A call to list_holidays was posted to the live server on 2026-10-17, and the install pages show it. The full tool list is in the install guides.

Source: the Business Days & Workday Calc plugin listing in this repository and a live tools/call on 2026-10-17. Last checked 2026-10-17. These answers are reviewed again every 1 to 3 months.