Date Difference Calculator
Formula
Days = |End Date − Start Date|
This calculator finds the exact number of days between any two dates. It accounts for leap years and varying month lengths. The result is always positive regardless of date order.
Frequently Asked Questions
Does this account for leap years?
Yes. The calculation uses actual calendar dates, so February 29 is correctly handled in leap years.
Does the order of dates matter?
No. The result is always the absolute difference — you'll get the same answer whether you put the earlier or later date first.
How many days in a year?
365 days in a regular year, 366 in a leap year. The average is 365.25 days.
How accurate is the months calculation?
The months output is approximate — it divides total days by 30.44 (average days per month). For exact month counts, consider the specific months involved.