Date Difference Calculator
Instantly calculate the exact difference between two dates in years, months, days, weeks, and business days. Add holidays, toggle inclusive counting, and even calculate by hours and minutes — all in your browser with no data upload.
Get differences in years, months, days, total days, weeks, and remainder.
Include hours, minutes, and seconds for detailed results.
Exclude weekends and holidays to calculate working days.
Option to count both start and end dates in totals.
Runs fully client-side in your browser. No uploads required.
Optimized for phones, tablets, and desktops with responsive UI.
Why Use a Date Difference Calculator?
Manually counting the number of days between dates is error-prone. Leap years, varying month lengths, and holidays make it complex. Our Date Difference Calculator instantly provides an accurate breakdown of years, months, days, total days, and business days.
How to Use the Date Difference Calculator
- 1
Select start and end dates using the calendar picker.
- 2
Enable ‘Include Time’ to calculate hours, minutes, and seconds.
- 3
Toggle ‘Inclusive Days’ to count both start and end dates.
- 4
Enable ‘Business Days’ to exclude weekends, add holidays if needed.
- 5
View instant results and copy or reset anytime.
Who Benefits from a Date Difference Calculator?
- HR and payroll teams calculating workdays and leave balances.
- Students and researchers measuring project durations.
- Event planners tracking days until milestones.
- General users checking days left until anniversaries, deadlines, or trips.