Days Between Dates Calculator MCP. Calculate elapsed time down to the day, ignoring weekends and holidays.
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Days Between Dates Calculator lets you accurately calculate time intervals between any two dates, breaking down spans into years, months, weeks, and days.
Beyond simple counting, it calculates only working days—and optionally filters out regional holidays for both US and European markets. It also verifies if a date is a recognized national holiday in your selected region.
This MCP handles complex temporal math so you don't have to manually check calendars or build custom spreadsheet formulas.
What your AI agents can do
Count business days
Calculates the total count of weekdays between two specified dates.
Get date breakdown
Provides a detailed, granular breakdown of time elapsed across years, months, weeks, and days.
Verify holiday status
Checks if an exact date is marked as a national holiday within a selected country or region.
Gets a detailed breakdown of the time elapsed between two specific calendar dates.
Calculates the total number of working days, automatically skipping weekends and specified holidays within a date range.
Verifies if any given date is officially recognized as a national holiday for a selected region (USA or Europe).
Ask AI about this MCP
Supported MCP Clients
OAuth 2.0 Compatible Gemini Waiting for input…
Days Between Dates Calculator: 3 Tools
These specialized tools let your agent handle complex date math—from counting only workdays to getting detailed yearly breakdowns.
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Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using Days Between Dates Calculator on Vinkius019ed929count business days
Calculates the total count of weekdays between two specified dates.
019ed929get date breakdown
Provides a detailed, granular breakdown of time elapsed across years, months, weeks, and days.
019ed929verify holiday status
Checks if an exact date is marked as a national holiday within a selected country or region.
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Works with Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This server provides 3 capabilities that interface natively with Claude, ChatGPT, Cursor, and any MCP client. No middleware. No custom integration required.
Tracking Time Between Dates is a Calendar Nightmare
Right now, if you need to know the time between two dates, you're juggling spreadsheets and calendars. You manually count forward, constantly hitting 'skip weekend,' cross-referencing national holiday lists for US or European regions, and then trying to figure out if your formula accounts for partial months versus whole years. It's tedious, error-prone work that wastes time just confirming simple timelines.
With this MCP, you tell your agent the start date and end date—and what kind of calculation you need. Do you need a detailed breakdown? Just ask for it. Need only working days? You get that count back instantly. It’s reliable, and it works across multiple regions.
Get Accurate Date Metrics with `get_date_breakdown`
Previously, if you needed to explain a timeline spanning two years, you might write: 'It's 24 months and 17 days.' This required manually calculating the year difference, then month-by-month remainder. It was slow, and one miscalculation ruined the presentation.
Now, simply asking your agent to use `get_date_breakdown` returns that full breakdown in a clean format. You get the exact years, months, weeks, and days without having to do any math yourself.
What you can do with this MCP connector
Need to know the exact time span between two project milestones? Don't waste time toggling between calendar apps and spreadsheets. This MCP provides specialized tools that calculate precise date intervals, giving you a detailed breakdown of years, months, weeks, and days passed. If your work depends on business hours—say, calculating payroll or tracking contractor time—you can determine the total number of working days while excluding weekends and specific regional holidays.
Need to know if next quarter's launch date is a public holiday? You can verify that status instantly against national calendars for US or European regions. Integrating this through Vinkius means your AI client accesses all these functions from one place, letting you get accurate dates fast.
019ed929-94a3-739a-962c-de0f7bef0d2d 
How Days Between Dates Calculator MCP Works
- 1 Specify the starting and ending dates, along with any required regional settings.
- 2 Your AI client sends these parameters to the MCP's date calculation tools.
- 3 The system returns a precise output: either a full breakdown (Y/M/W/D), a filtered count of working days, or a simple true/false holiday status.
The bottom line is you get accurate time metrics for planning, payroll, or reporting without writing any formulas yourself.
Who Is Days Between Dates Calculator MCP For?
Project Managers and Ops Engineers who constantly cross-reference timelines against business rules. If your job involves calculating payment cycles, tracking legal deadlines, or managing multi-phase deployments across different time zones, you need this.
Uses the MCP to calculate realistic project end dates by counting only working days and accounting for known regional holidays.
Checks if employee PTO requests fall over a public holiday using the date validation tool, ensuring pay records are correct.
Determines the precise number of business days between two fiscal quarter start dates for quarterly reporting, excluding bank holidays.
What Changes When You Connect
- Stop guessing on deadlines. The
get_date_breakdowntool gives you a full Y/M/W/D breakdown of any two dates, perfect for explaining timelines to stakeholders who don't understand date math. - Automate compliance checks: Use the
verify_holiday_statusfunction to instantly confirm if an important deadline or payment date conflicts with a national holiday in the US or Europe. - Accurate time tracking is key. The
count_business_daystool ensures your project timelines only count actual working days, cutting out weekend guesswork and manual exclusion. - Consistency matters for reporting. By centralizing these calculations, you ensure that every date calculation—whether a full breakdown or just a day count—follows the same set of rules.
- It saves time on complex math. You never have to write
WORKDAY.INTLformulas again; your agent handles all the regional holiday logic for you.
Real-World Use Cases
Calculating project duration with holidays
A Project Manager needs to tell a client that their phase two milestone is 45 working days away, but they must account for US federal holidays and weekends. They ask their agent using count_business_days, and the MCP returns the exact number, guaranteeing accuracy without manual calendar checks.
Auditing contract timelines
An HR Specialist needs to know if a one-year notice period for an employee crosses any recognized national holidays in their state. They run verify_holiday_status against the entire year, and the MCP flags every date that isn't a working day.
Comparing historical time spans
A Finance Analyst needs to compare the elapsed time between two quarterly reports. Instead of just counting years, they use get_date_breakdown to see exactly how many months and weeks separated the dates.
The Tradeoffs
Using basic date difference formulas
Manually subtracting two dates only gives you a raw number of calendar days, which is useless for payroll or project management. It doesn't account for weekends or holidays at all.
→
For working days, use the count_business_days tool. If you need a full breakdown (Y/M/W/D), run get_date_breakdown. Always validate dates using verify_holiday_status first.
When It Fits, When It Doesn't
Use this MCP if your core problem is time calculation that requires specific rules: business days, or regional holiday exclusion. If you only need to know the raw difference between two calendar dates (e.g., 'How many 24-hour periods passed?'), a basic calculator will suffice.
Don't use this if you are dealing with time zones; these tools focus on date logic, not temporal offsets. Also, don't rely on it to calculate elapsed hours or minutes—it handles days and their breakdown only.
Common Questions About Days Between Dates Calculator MCP
How do I check if a date is a holiday using verify_holiday_status? +
You provide the target date and the region (USA or Europe). The MCP confirms whether that specific date is recognized as a national day off, saving you from checking multiple government websites.
Can count_business_days handle holidays? +
Yes. You can use count_business_days to calculate working days between two points while specifying which regional holidays should be excluded from the count.
What is the difference between get_date_breakdown and count_business_days? +
get_date_breakdown gives you a full structural breakdown (Y/M/W/D). count_business_days only gives you the total number of working days, ignoring weekends and holidays.
Which tool do I use if I need to count business days in Europe? +
Use the count_business_days tool. You'll specify the European region when setting up your parameters, ensuring regional holiday exclusions are applied correctly.
What happens if I use `get_date_breakdown` with improperly formatted date strings? +
It returns an explicit error message detailing the format issue. You must pass all dates using the standard YYYY-MM-DD format for accurate time calculation.
How does `count_business_days` define a working day interval? +
It counts Monday through Friday, excluding both weekends and any specific regional holidays you choose to exclude. If you don't specify exclusions, it only accounts for standard weekend closures.
When calling `verify_holiday_status`, do I need to pre-configure the region? +
No. You simply pass the desired regional code directly in the tool call. The MCP automatically checks for national holidays based on that specific region's established calendar rules.
Is there a performance limit when using `get_date_breakdown` for very large date ranges? +
While there isn't a strict hard limit, the calculation performs best over periods spanning less than several years. For massive time spans, break your request into smaller, manageable chunks.
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