Skip to content

Date calculator

Count days between dates, or add days to a date.

Days between two dates

Add or subtract days

How days between dates are counted

The calculator counts the number of midnights between the two dates. From Monday to Friday of the same week is 4 days. Tick Include the end date to count both the first and last day (5 days), which is how many people count holidays and leave.

Weekdays counts Monday to Friday only. It does not remove public holidays.

Frequently asked questions

How many days are in a year?

365 days, or 366 in a leap year (2028 is the next one).

What is 90 days from today?

Use the Add or subtract days tool above. It starts from today's date.