Date Difference & Business Days Calculator
Free in-browser Date Difference and Working Days Calculator. Compute the exact duration between two calendar dates broken down into total days, business working days (Monday-Friday), weekends, hours, and full year/month/day components. Includes date addition and subtraction mode to project future milestones (e.g. Start Date + 90 days).
Loading Date Calculator engine...
How to Calculate Date Differences in 3 Steps
Pick Start & End Dates
Select your beginning and target dates using the date picker or quick presets.
Toggle Options
Choose whether to include the end date (+1 day) and view business days.
Copy Detailed Breakdown
Copy days, weeks, business days, and hours to clipboard with 1-click.
Frequently Asked Questions
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