How to calculate days between two dates
This date difference calculator 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 included in the total.
Choose two dates to count the exact calendar days, weeks, weekdays and weekend days between them.
Standard elapsed-day counting is used by default. Turn on inclusive counting when both boundary dates should count.
This date difference calculator 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 included in the total.
The day counter also walks through the span to count Monday–Friday weekdays and Saturday–Sunday weekend days. Date-only calculations use UTC internally so daylight-saving time does not accidentally add or remove a day.
Not by default. The standard result measures elapsed days. Enable inclusive counting if both the start and end dates should count.
Yes. The calculation uses actual calendar dates, so February 29 is naturally included when the selected range crosses a leap day.
This page reports Monday–Friday weekdays without removing public holidays. Use the Business Days Calculator when you need selectable workweek rules.