1. What is Work Days Calculation?

The Work Days calculation determines the number of business days (typically Monday to Friday) between two dates, excluding specified holidays. This is useful for project planning, leave calculations, and business operations.

2. How Does the Calculator Work?

The calculator uses the following logic:

Where:

• Weekdays — Monday through Friday (inclusive)
• Holidays — User-specified dates to exclude (format: YYYY-MM-DD)

Explanation: The calculator counts each day between the dates, checks if it's a weekday, then subtracts any holidays that fall on weekdays.

3. Importance of Work Days Calculation

Details: Accurate work day calculation is essential for project timelines, payroll processing, service level agreements, and business operations planning.

4. Using the Calculator

Tips:

• Enter start and end dates (inclusive)
• Optionally add holidays as comma-separated dates (YYYY-MM-DD format)
• The calculator automatically excludes weekends (Saturday and Sunday)

5. Frequently Asked Questions (FAQ)

Q1: Are weekends always excluded?
A: Yes, the calculator automatically excludes Saturdays and Sundays by default.

Q2: Can I customize which days are considered weekends?
A: This version uses standard weekends (Sat-Sun). For custom work weeks, you would need an advanced version.

Q3: How should I format holiday dates?
A: Use YYYY-MM-DD format, separated by commas. Example: 2023-12-25, 2023-12-31

Q4: Is the end date included in the calculation?
A: Yes, both start and end dates are included in the calculation if they are work days.

Q5: What if my country has different weekend days?
A: This calculator uses the international standard (Sat-Sun). For other configurations, you would need to modify the code.