Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates. Choose between calendar days or business days, with optional holiday exclusions.
Date Difference
Calculate days between dates
Frequently Asked Questions
Enter dates to see results
Calculate the difference between any two dates
Time & Date Assistant
AI Powered
Frequently Asked Questions
Learn About Date Calculations
Understanding the nuances of date arithmetic
Calculating the difference between two dates may seem simple, but there are important considerations that can significantly affect your results.
- Exclusive counting: The mathematical difference between dates. From Monday to Wednesday is 2 days.
- Inclusive counting: Counts both the start and end dates. From Monday to Wednesday is 3 days (Mon, Tue, Wed).
- Calendar days: Every day in the range, including weekends.
- Business days: Only weekdays (Monday through Friday).
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