Business Day Calculator
Add or subtract business days from a given date.
Business Day Calculator
A Business Day Calculator is used to calculate dates and time spans using business days instead of calendar days. Business days are typically Monday through Friday, excluding weekends. This calculator allows you to include or exclude specific days to match real-world work schedules.
It is commonly used for deadlines, delivery estimates, contracts, payroll, and project planning.
What Are Business Days?
Business days are the days when most businesses operate.
By default:
- Business days: Monday through Friday
- Non-business days: Saturday and Sunday
Some organizations treat Saturdays as working days. This calculator allows you to adjust that setting based on your needs.
Find: Time Duration Calculator
Business Day Calculator Options
The Business Day Calculator includes flexible options to match different schedules.
Check “Business Days Only”
- Counts Monday through Friday
- Excludes Saturday and Sunday
Check “Saturday Is a Business Day”
- Includes Saturday as a business day
- Excludes Sunday
These options let you calculate dates accurately for different industries and regions.
Find: Date Calculator
What the Business Day Calculator Can Do
The calculator allows you to:
- Count the number of business days between two dates
- Add business days to a starting date
- Subtract business days from a date
- Exclude weekends automatically
All calculations are performed using calendar logic rather than manual counting.
Example: Counting Business Days Between Two Dates
Start date: March 4, 2024 (Monday)
End date: March 15, 2024 (Friday)
Result:
10 business days
Weekends are excluded automatically when “Business Days Only” is selected.
Example: Adding Business Days to a Date
Start date: April 1, 2024
Add: 15 business days
Result:
April 22, 2024
Weekend days are skipped during the calculation.
Including Saturday as a Business Day
Some businesses operate six days a week. When “Saturday Is a Business Day” is selected:
- Monday through Saturday are counted
- Only Sundays are excluded
Example:
Start date: May 6, 2024 (Monday)
Add: 6 business days (Saturday included)
Result:
May 11, 2024 (Saturday)How Business Day Calculations Work
The Business Day Calculator:
- Moves forward or backward one day at a time
- Checks whether each day qualifies as a business day
- Counts only eligible days based on selected options
This ensures consistent and accurate results.
Common Uses of a Business Day Calculator
- Project and task deadlines
- Shipping and delivery estimates
- Legal and contract timelines
- Payroll and accounting schedules
- Workplace planning and HR tasks
Notes and Limitations
- This calculator does not automatically exclude public holidays unless specified
- Results depend on selected business day options
- Based on the standard Gregorian calendar
Summary
The Business Day Calculator provides a reliable way to calculate dates and durations using business days instead of calendar days. By allowing you to exclude weekends or include Saturdays, it adapts to different work schedules and planning needs.
Use this calculator whenever accurate business-day calculations are required.