Days Calculator
Count calendar days or business days between any two dates. Include/exclude the end date, exclude weekends and holidays.
Date Selection
Options
Enter dates to exclude (in addition to weekends if business days is selected)
Results
Unit Conversions
What are calendar days vs business days?
Calendar days count every day on the calendar, including weekends and holidays. This is the most straightforward calculation.
Business days (also called working days or weekdays) typically include Monday through Friday and exclude weekends. You can also exclude public holidays for more accurate business-day counts.
Leap years are automatically handled in all calculations. February 29 is included when the date range crosses a leap year.
Approximate conversions to weeks, months, and years use standard divisors (7, 30, and 365 days respectively) and are labeled as approximations.
Frequently Asked Questions
Disclaimer
This tool is provided for general information and educational purposes only. Results are not intended as legal, financial, or professional advice. Holiday definitions vary by region and organization - please verify with official sources for your specific needs.