Visa validity vs duration of stay

This is the single most misunderstood thing on a visa, and misunderstanding it is one of the most common ways ordinary travellers end up overstaying. A visa that is 'valid for one year' almost never means you may stay for one year. The two dates do completely different jobs.

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The two things your visa is telling you

Nearly every visa carries two separate limits, and you have to satisfy both:

• Validity — the window during which you may arrive. A visa valid from 1 March to 28 February is telling you when you can turn up at the border. It says nothing about how long you may remain.
• Duration of stay — how many days you may remain per visit once admitted. This is the number that matters for booking a return flight.

So a one-year visa with a 30-day duration of stay means: you may enter at any point during that year, and each time you do, you may stay up to 30 days.

A worked example

Take a visa issued on 1 March 2026, valid twelve months, with a 30-day duration of stay:

• You arrive on 15 January 2027 — allowed, because that is inside the validity window.
• You may then stay until roughly 13 February 2027 — 30 days — even though the visa expires on 28 February.
• You may not stay until 28 February just because that is the expiry date printed on the visa. That misreading is exactly what produces an overstay.

Note also that the permitted stay usually runs from the date you were admitted, which is stamped in your passport — not from the date the visa was issued.

Where the real number is written

The duration of stay may appear on the visa itself, or it may be decided by the border officer and written into your entry stamp or arrival record. When the two differ, the officer's decision governs. Photograph your entry stamp when you arrive: it is the document that determines your legal departure date, and it is easy to misremember weeks later.

Visa-free entry works the same way. There is no visa document at all, but there is still a maximum permitted stay — and it varies enormously by nationality and destination. You can see the permitted stay for your exact combination on any of our passport guides.

Rolling limits: the other trap

Some regions cap your total time rather than each individual visit. The best-known is the Schengen Area's 90/180 rule: no more than 90 days inside any rolling 180-day period, across all Schengen countries combined. Several other countries apply similar annual caps.

Under a rolling rule, leaving and re-entering does not reset the clock — which is precisely why frequent travellers get caught. If Europe is in your plans, our Schengen 90/180 calculator works out your used and remaining days from your actual trip dates.

Why overstaying matters more than people expect

An overstay is not usually a fine-and-forget matter. Depending on the country it can mean a financial penalty on departure, a formal removal record, or a re-entry ban lasting years — and it is the kind of thing that surfaces later in unrelated visa applications, because many countries ask whether you have ever overstayed or been refused entry.

Check your permitted stay before you book a return flight, not after.

Frequently asked questions