Stay & residency days

Work out how many days you have used or have left: the Schengen 90/180 window, per-country tax days, and calendar or business-day deadlines.

90/180 stay calculatorDays used and remaining in the rolling 180-day window.Tax days counterCount days per country toward the 183-day rule.Date calculatorAdd or subtract calendar or business days.

Guides

Schengen 90/180 rule explainedHow the rolling window works, with an example and official sources.The 183-day rule (US) explainedThe weighted three-year count, which days do not count, worked example.

Informational tools, not legal, visa or tax advice. A file under the size limit can still be rejected for dimensions, format or background — check the official requirements.