Business Day Calculator
Count weekdays between two dates or add business days while excluding weekends and your holiday list.
The calculation treats Monday–Friday as business days. Between-dates mode includes both the start and end date, and dates are handled independently of time zones.
Result
What this tool solves
Business Day Calculator helps with Calculate a delivery deadline, Count working days in a date range, Plan invoice and payment dates, Exclude a custom holiday list. It is designed to be clear, fast and predictable, with privacy notes shown on the page.
How to use it
Open the tool, add the required input, check the safety note, then copy or download the result. Related tools can help with the next step.
Input, output and limits
Works with form input and produces table output. Limit: 4.3 KB.
Useful for
This tool is especially useful for:
- Calculate a delivery deadline
- Count working days in a date range
- Plan invoice and payment dates
- Exclude a custom holiday list
Example workflow
Typical use for Business Day Calculator: add the form, let the tool prepare the result, then copy or download it and review it inside your own workflow.
Privacy and data handling
Dates and holiday entries stay in your browser and are not uploaded.
Safe-use boundary
This tool may not be used for illegal content, harmful files, credential theft, fraud or abuse. Suspicious use may be stopped with a rate limit or access block.
FAQ
Are public holidays included automatically?
No. Holiday calendars vary by country and year, so you add the dates you want to exclude.
Does the calculation change with my time zone?
No. Dates are calculated as calendar days without local time-zone shifts.
Is my date list uploaded?
No. The entire calculation runs in your browser.
What is Business Day Calculator useful for?
Business Day Calculator gives a fast, readable starting point for organized work. Review the output before using it for important decisions.
Does this tool permanently store my data?
Dates and holiday entries stay in your browser and are not uploaded.