Date Difference Calculator

Calculate the exact difference between two calendar dates in days, weeks, and hours.

How to use this tool

Calculate the exact interval between two calendar dates as total days and hours, plus complete weeks and remaining days.

Steps

  1. Choose the start and end dates.
  2. Swap the dates with one button if needed.
  3. Review the result in days, weeks, and hours.

Useful for

  • Counting down to an event
  • Measuring a trip or project duration
  • Checking the interval between documents

Limits and accuracy

  • The calculation uses calendar days and does not include times of day.
  • Weekends and public holidays are not excluded.

Privacy

Selected dates and results remain in your browser.