Find the exact calendar and total-day difference between two dates.
Change the inputs that matter to your decision. Optional assumptions stay collapsed until you need them.
Choose whether the end date should count as part of the range.
Comparing Jul 9, 2026 and Aug 8, 2026, including the end date.
The dates are measured in chronological order regardless of which one you enter first.
Both selected dates are counted.
Calendar months are counted as complete month steps after whole years.
Practical notes about the inputs, assumptions, and result.
Choose Include end date when both selected dates should count. Exclude end date measures the interval up to, but not including, the final date.
Other tools in date & time.
Add or subtract years, months, weeks, days, or business days from a date.
Calculate elapsed time or add hours, minutes, and seconds across midnight.
Track up to two shifts per day, unpaid breaks, weekly totals, and overtime in a printable summary.