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Date & Time Calculators

Date Difference Calculator

Time between two dates in years, months, days, weeks and working days.

Enter values

Results update as you type.

Result

Difference

0 years, 0 months, 30 days

Total days
30
Total weeks
4.286
Weeks and days
4 weeks, 2 days
Total months
0
Working days
22
Hours
720
Direction
End date is later

About the Date Difference Calculator

Time between two dates in years, months, days, weeks and working days.

Also known as: time between dates, date duration calculator, how long between dates, calculate date range.

How to use this calculator

  1. Enter start date, end date, include the end date.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

difference = end date − start date

Worked example

Using the values pre-filled in the calculator above:

  • Start date: 2026-08-23
  • End date: 2026-09-22
  • Include the end date: no

the calculator returns:

  • Difference: 0 years, 0 months, 30 days
  • Total days: 30
  • Total weeks: 4.286
  • Weeks and days: 4 weeks, 2 days