Number of days calculator

Select two dates to calculate the number of days between them. Choose whether to include the start date for a more accurate calculation.

Start date

End date

Calculation method

Include start date

Exclude start date

Calculation results

1 days

From 4/4/2025 to 4/4/2025 (Include start date)

How to use the date calculator

In the calculator above, select the start date in the first date field.
Select the end date in the second date field.
Select the calculation method you want: “Including the start date” or “Excluding the start date.”
The number of days between the two dates is automatically calculated and displayed in the result window.

Note: If the start date is included, both the start date and the end date are included in the number of days. If the start date is excluded, only the end date is included, and the start date is not included.