# Business Days Calculator

> Calculate a future or past date by adding or subtracting business days, skipping weekends.

**Category:** Everyday Life
**Keywords:** business days, working days, deadline, date, calendar
**URL:** https://complete.tools/business-days-calc

## How it calculates

The Business Days Calc uses this straightforward formula to find the number of business days: 

Business Days = Total Days - (Weekend Days + Holidays)

Here’s how it works: 
- Total Days is calculated as (End Date - Start Date + 1). 
- Weekend Days are counted by looking for Saturdays and Sundays in the date range. 
- Holidays are any days you designate as non-working within that time frame. The tool checks each day from the start to the end date, identifying weekdays and matching them against your holiday list to give you the final count of business days.

## Who should use this

If you're a project manager setting timelines for deliverables, an accountant figuring out payment terms, a legal professional checking deadlines for filings, or an HR manager scheduling interviews, this tool is for you. It’s designed to make your planning easier and keep everything on track.

## Worked examples

Example 1: Let’s say you want to find out the business days between July 1, 2023, and July 10, 2023. 
- Total Days = 10 - 1 + 1 = 10 days. 
- Weekend Days = 2 (July 1 is a Saturday and July 2 is a Sunday). 
- With no holidays, Business Days = 10 - 2 = 8 business days.

Example 2: Now, consider the dates from October 1, 2023, to October 15, 2023, with October 9 marked as a holiday. 
- Total Days = 15 - 1 + 1 = 15 days. 
- Weekend Days = 4 (October 1 is a Sunday, October 7 and 8 are the weekend). 
- Holidays = 1 (October 9). 
- So, Business Days = 15 - (4 + 1) = 10 business days.

## Limitations

While the Business Days Calc is handy, it has a few limitations: 1) It won’t automatically adjust for regional holidays unless you specify them, which might lead to inaccuracies. 2) The tool assumes a standard Monday to Friday workweek, which may not be the case everywhere. 3) If your date range spans multiple years, holiday observances can change, affecting accuracy. 4) It might struggle with edge cases like leap years or if the start date comes after the end date, potentially giving you invalid results.

## FAQs

**Q:** How does the tool handle holidays that fall on weekends? 


**A:** The tool doesn’t adjust for holidays that land on weekends. You'll need to manually input those holidays for accurate calculations. 


**Q:** Can the tool calculate business days across multiple countries? 


**A:** Yes, but you’ll need to enter specific holidays for each country, as it doesn’t have a built-in holiday database. 


**Q:** What happens if the start date is after the end date? 


**A:** In that case, the tool will return a negative number of business days, indicating an invalid range. Make sure your start date is earlier than your end date. 


**Q:** Is there a limit to the date range I can use? 


**A:** The tool can handle a wide range of dates, but very large ranges might cause performance issues or inaccuracies in holiday calculations.

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*Generated from [complete.tools/business-days-calc](https://complete.tools/business-days-calc)*