The Schengen 90/180 rule lets visitors who don't need a visa for short stays, including citizens of the United States, the United Kingdom, Canada and Australia, spend up to 90 days in any 180-day period in the Schengen Area. Since 2025 that area covers 29 countries, and they count as one zone: days in France, Italy and Germany all come out of the same 90.
Most overstays don't come from defiance. They come from counting the window the wrong way.
What the Rule Actually Says
- You may be present for at most 90 days in any 180-day period
- The period rolls: on any given day, look back over that day and the 179 days before it
- Every day with any time spent in the area counts, including the day you arrive and the day you leave
- The total must never go above 90 on any day of your stay
The rule covers short stays for tourism, business meetings and family visits. Working, studying or staying longer needs a national visa or residence permit, and travelers who need a short-stay Schengen visa must also stay within the dates their visa allows.
The Correct Calculation
The window always ends on the day you are checking. If today is December 7, 2025, the window runs from June 11 to December 7, 2025. Tomorrow it runs from June 12 to December 8: one day drops off the back as a new one is added at the front.
That is why there is no "reset" date. Your allowance grows back one day at a time as old days leave the window.
Worked Example
Suppose you spend January 1 to March 31, 2025 in the Schengen Area: 31 + 28 + 31 = 90 days.
- On March 31 you have used all 90 days and must leave
- You can't come back on April 1, because all 90 days are still inside the window
- January 1 drops out of the window on June 30, the first day when the 180-day lookback starts on January 2
- If you return on June 30, each day you stay adds one day while one day of your winter stay drops off, so the count stays at 90
- That lets you stay until September 27, when the last of the March days has left the window: a second 90-day stay
Back-to-back stays like this work out to roughly 90 days in, 90 days out. Shorter, scattered trips are where the arithmetic gets hard, because each old trip leaves the window on its own date.
Common Mistakes
- Counting calendar halves. January–June and July–December are not 180-day windows; the window moves every day.
- Thinking a short trip outside resets the clock. A weekend in London or Istanbul changes nothing except that those days don't count.
- Forgetting arrival and departure days. A trip from May 4 to May 25 uses 22 days, not 21.
- Counting each country separately. The 90 days cover the whole Schengen Area.
- Assuming every EU country is in Schengen. Ireland is in the EU but not in Schengen, so days there don't count, and the UK is in neither.
What Happens If You Overstay
Penalties vary by country: fines that commonly run from a few hundred to a few thousand euros, removal, and entry bans that can last several years and are recorded in the Schengen Information System. An overstay can also count against you in future visa applications.
Overstays are also easier to detect than they used to be. The EU's Entry/Exit System, which began in October 2025, records travelers' entries and exits electronically, with fingerprints and a photo, instead of relying on passport stamps, so the days are counted automatically.
How to Track Your Days
- Keep a list of every entry and exit date: boarding passes, train tickets and passport stamps all help
- Before booking a trip, check the latest day you could stay, not just today's count
- Use a calculator that applies the rolling window, such as the Schengen 90/180 day calculator on this site or the European Commission's official short-stay calculator
- Leave a few days of margin for delayed flights and ferries
A few Schengen countries have older bilateral agreements with certain non-EU countries that allow extra time in that one country. These are narrow and inconsistently applied at borders, so confirm with the country's embassy before relying on one.
Bottom Line
The rule is simple once you count it correctly: on every day of every trip, the days you have spent in the area in the 180 days ending that day must not exceed 90. Track your dates, check planned trips before you book, and let the window, not the calendar, tell you when you can return.