Tool workspace
Optional. Enter YYYY-MM-DD values separated by spaces, commas, or new lines.
Business days0
Calendar days0
Weekend days excluded0
Custom holidays excluded0
Business Days Calculator
Calculate business days between two dates with weekends and optional custom holidays excluded. This first version is for general planning and does not include national public holiday databases or legal, payroll, tax, HR, or compliance advice.
Browser-localFreeNo upload required
What this tool is for
Use this business days calculator for general planning when you need to count weekdays between two dates and optionally exclude custom holiday dates.
How to use
- Choose a start date and end date.
- Decide whether to include the end date, then add optional holiday dates if needed.
- Calculate the business days, calendar days, excluded weekends, and excluded custom holidays.
Example
Example: Count weekdays between May 1 and May 10 while excluding Saturday, Sunday, and a custom holiday on May 4.
FAQ
Does this include public holidays automatically?
No. The first version excludes weekends and only excludes holiday dates you enter manually.
Can I use this for payroll, legal, tax, HR, or contract deadlines?
No. Treat the result as a general planning aid and verify important deadlines with the right professional or official source.
What happens if the end date is earlier than the start date?
The tool shows an error and does not calculate a result.
Are my dates uploaded?
No. Date calculations run locally in your browser.
What input or result is Business Days Calculator designed around?
Business Days Calculator is best used for date and calendar calculation when you already have start and end dates, a birthday, or deadline settings and need date differences, workday counts, or calendar-ready results. A practical first step is: Start with start and end dates, a birthday, or deadline settings. Example context: Example: enter start and end dates, a birthday, or deadline settings, then confirm that the output matches date differences, workday counts, or calendar-ready results.
What should I check before using Business Days Calculator?
Confirm that the input format matches the example on the page, review the result for your context, and avoid using the output as professional advice when the task has legal, financial, medical, security, or compliance impact.
How is Business Days Calculator different from the broader Date & Time Tools category?
Date & Time Tools groups many related helpers, while Business Days Calculator focuses on one business days & work hours task so the input, output, limits, and related next steps stay clear.
When to use Business Days Calculator
Business Days Calculator is best used for date and calendar calculation when you already have start and end dates, a birthday, or deadline settings and need date differences, workday counts, or calendar-ready results.
Business Days Calculator is useful when you need a focused business days & work hours helper inside the broader Date & Time Tools workflow. Common context includes compare date ranges, count business days, convert timestamps.
Typical keywords and task signals for this page include business days, workdays, date range, planning. Use it when the result needs to be copied into a document, spreadsheet, code editor, website, campaign, classroom activity, or another browser tab.
Example workflow
- Start with start and end dates, a birthday, or deadline settings.
- Check whether the page produced date differences, workday counts, or calendar-ready results.
- Adjust the input if needed, then copy the final result.
- Compare the output with the example: Example: enter start and end dates, a birthday, or deadline settings, then confirm that the output matches date differences, workday counts, or calendar-ready results.
Limits and checks
Business Days Calculator is best used for date and calendar calculation when you already have start and end dates, a birthday, or deadline settings and need date differences, workday counts, or calendar-ready results. Treat the result as a practical helper rather than a legal, medical, tax, safety, or security decision by itself.
For important work, keep the original input available, check edge cases manually, and verify the result against an authoritative source before publishing or sharing it.
Privacy boundary
Date ranges and optional holiday values are processed in your browser. This tool does not upload or store them.
Do not paste passwords, private keys, account secrets, payment data, or confidential business records into any online tool unless you have reviewed the page behavior and your own data policy.
Continue the workflow
Open the category page for a wider view, or use a related tool when the next step is validation, cleanup, conversion, preview, or calculation.