Calculate the exact difference between two dates with our free Date Difference Calculator. Find the number of years, months, weeks, days, hours, minutes, and seconds between any two dates. Perfect for project planning, calculating deadlines, finding elapsed time, and age calculations.
Enter the start date using the date picker.
Enter the end date.
Click 'Calculate Difference' to see the results.
View the breakdown in multiple units (years, months, days, etc.).
Yes, our calculator fully accounts for leap years when computing the difference between dates, ensuring accurate results even for date ranges spanning multiple decades.
Yes, the calculator includes a business days option that excludes weekends (Saturday and Sunday) from the count, useful for project planning and deadline calculations.
Month differences are calculated by counting complete calendar months between dates. Partial months are shown as remaining days. For example, Jan 15 to Mar 10 = 1 month and 23 days.