Date Difference Calculator
Find the exact duration between any two dates. Results shown in years, months, days, weeks, and total days.
Duration
Total Days
Total Weeks
Total Hours
Total Minutes
This calculator provides estimates and is for informational purposes only.
About Date Calculations
This calculator finds the exact difference between two dates, accounting for varying month lengths and leap years. It works for any two dates — past, present, or future.
Common uses include calculating project durations, time until events, age differences, contract periods, and planning timelines.
Frequently Asked Questions
Does the order of dates matter?
No. The calculator automatically determines which date is earlier and which is later, giving you the absolute difference.
Does it account for leap years?
Yes. The calculator uses JavaScript's built-in date handling which correctly accounts for leap years and varying month lengths.