Edit either date directly inside the question. Type Month, Day and Year—or use the calendar when visual selection is faster.
Standard elapsed-day counting is used by default. Turn on inclusive counting when both boundary dates should count.
By default, the result measures elapsed calendar days from the first date to the second. If you select inclusive counting, one day is added so both boundary dates are part of the result.
The calculator also walks through the span day by day to count Monday–Friday weekdays and Saturday–Sunday weekend days. Date-only calculations use UTC internally so daylight-saving time does not add or remove a day.
Not by default. The standard result measures elapsed days. Enable inclusive counting if both the start date and end date should count.
Yes. The calculation uses actual calendar dates, so February 29 is naturally included when the selected range crosses a leap day.