Date Difference Calculator

Work out the time between any two dates. Pick a start and end date to see the difference in days, weeks, months and years - useful for deadlines, anniversaries, project planning and countdowns. The calculation handles leap years correctly and runs in your browser.

1. 1

   Select the start date.

2. 2

   Select the end date.

3. 3

   Read the difference in days, weeks and months.