Does it account for leap years?

Yes. The calculation uses actual calendar days, accounting for leap years and varying month lengths.

Can I calculate business days?

Currently it shows total calendar days. Business days (excluding weekends) are shown separately.

Calculate the number of days, weeks, months and years between two dates. Free online date calculator.

Start Date

End Date

Select a start date to begin.

Enter two dates and instantly see the difference in days, weeks, months, and years. Also shows business days (excluding weekends).

Multiple units

Days, weeks, months, and years between dates.

Business days

Separate count excluding weekends.

Leap year aware

Accurate calculation for any date range.