Date Difference Calculator

Calculate days, weeks, months, years between two dates

Calculate the interval between two dates

What is a Date Difference Calculator?

A date difference calculator computes the time between two dates, including days, weeks, months, and years. It's commonly used for project timelines, leave days calculation, and anniversary countdowns.

How to use

  1. Enter the start date
  2. Enter the end date
  3. Click 'Calculate interval'
  4. View results: days, weeks, months, years, hours, minutes, seconds

FAQ

Does the calculation include both start and end dates?

The result shows the difference between two dates. To include both dates, add 1 day manually.

Why are months and years approximate?

Because months have varying days (28-31) and years can be leap years, months and years are calculated using averages.