Working Days Calculator
Calculate business days between dates excluding weekends and public holidays
Calculation Result
Net Working Days
22 Days
Approx 176 billable hours (8h/day)Total Calendar Days
31
Weekend Days
8
Holidays
1
How this calculator works
1
Select your start and end project dates.
2
Enter the number of recognized public holidays falling within the period.
3
Get total net working days and equivalent business hours (8h/day).
Formula & Mathematics
Net Business Days Formula
Business Days = Total Calendar Days - Weekend Days - Public Holidays
Assumes standard Monday-through-Friday 5-day work week (customizable).
Worked Example
January 1 to January 31 with 1 Public Holiday
31 calendar days in January.
• Total Calendar Days = 31
• Weekend Days (Saturdays & Sundays) = 8
• Public Holidays = 1
• Net Working Days = 31 - 8 - 1 = 22 days
22 net working days (176 business hours).
Frequently Asked Questions
By default it excludes both Saturdays and Sundays. You can adjust the holiday count to reflect custom working regimes.
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