Date Difference Calculator : Duration Between Two Dates
Find the precise duration between any two dates on the Gregorian calendar. Get results in days, weeks, months, years, and working business days with optional end-date inclusion.
Interactive Calculator
100% Client-Side EngineTotal Calendar Difference
365 days
0 years, 11 months, 30 days
Business Days
261
Weekend Days
104
Total Weeks
52
Total Hours
8,760
Step-by-Step Examples
Project Timeline Duration
Calculating duration between January 1, 2024 and January 31, 2024.
Inputs: Start Date: 2024-01-01, End Date: 2024-01-31
Result: 30 Days (22 Business Days, 8 Weekend Days)
Accounts for working Mondays through Fridays and Saturday/Sunday weekends.
How to Use This Tool
- Enter the start date.
- Enter the end date.
- Optionally toggle inclusion of the end day.
- Click Calculate to see total elapsed time and business day counts.
Frequently Asked Questions
Business days count Monday through Friday, excluding Saturday and Sunday.
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