Days Between Dates Calculator

Calculate how many days are between two dates. Find the exact calendar day difference with an optional inclusive count.

Days Between Dates Calculator

Calculate the exact number of calendar days between two dates.

How to calculate days between dates

Enter a start date and an end date. The calculator finds the calendar-day difference between them. You can also choose to include both the start and end dates in the count.

For example, January 1 to January 10 is 9 elapsed days, or 10 days with the inclusive option enabled. Leap days are counted as real calendar days.

Frequently Asked Questions

How do you count the days between two dates?

The standard date difference counts the elapsed calendar days from the start date to the end date. An inclusive count adds one day to include both endpoints.

Does the calculation include the start date?

The standard difference does not count the start date as an additional day. Use the inclusive option when you want to count both dates.