Enter the arrival and departure dates, match the official rule for which boundary days count, and see both the stay used and the last permitted departure. The arithmetic works offline and remains saved on this device.
Your dates
Calendar dates are used instead of hours, so daylight-saving and time-zone changes cannot shift the answer.
Auto-saved
Which days does the rule count?
Both are on by default. Change them only to match the wording of the official permission or government calculator.