Measure the calendar span between two dates and see the same interval in several useful units.
Your result will appear here.
These fixed inputs are calculated by the same engine as the tool above. Compare the result and the boundary rule, then load an example to change one variable. Business-day examples do not subtract holidays.
February 2024 contains a leap day. This result measures the elapsed date interval, not an inclusive count of all named dates.
The distance from a date to itself is zero. An inclusive attendance or booking count may instead count that date once.
This tool normalizes reversed inputs to a positive span. It does not use the sign to indicate whether the end comes before the start.
Continue with the English editorial guides for worked reasoning, checklists, and source references.
Calculate total days, weeks, hours, weekdays and weekend days between two dates.
From August 1 to August 31, the elapsed span is 30 days because the calculation measures the interval between the two dates.
The result is calendar-date based and normalizes reversed inputs to a positive span.
Privacy: Inputs are validated and calculations use calendar-aware IANA time-zone rules.
The total is the elapsed interval from the start date to the end date.
The calculator normalizes them and returns a positive span.