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Date Difference Calculator

Date difference calculator

Calendar difference
0Total days
0Complete weeks
0Weekdays

About this date difference calculator

Compare any two calendar dates and see both the calendar difference and useful total counts.

How to use it

  1. Select the two dates in either order.
  2. Choose inclusive counting if both dates should count.
  3. Review calendar years, months, days, total days, weeks, and weekdays.

Common uses

Plan projects, contracts, trips, deadlines, notice periods, events, and schedules.

Frequently asked questions

Does the date difference include the end date?

The standard result measures elapsed time between the dates. Enable inclusive counting when both calendar dates should count.

Are leap years handled?

Yes. Calendar years, month lengths, leap years, total days, and weekdays are calculated from the selected dates.

Can the dates be entered in either order?

Yes. The calculator automatically uses the earlier date as the start and the later date as the end.

You can change these choices at any time.