Schengen entry rules · 28 September 2026

A missing April trip can make the EES remainder look generous

The EU says its online remaining-stay figure does not reflect time in a visit that began before 10 April 2026. Count that visit yourself within each rolling 180-day window.

  1. Check the start dateA stay begun before 10 April is omitted from the online remainder even if it ended later.
  2. Count the rolling windowIn the worked example, 44 days of an April-started visit still fall inside 28 September’s 180-day window.
  3. Separate the visa warningAn “OK” result has a different temporary caveat for certain single- or double-entry visas.

The EU’s Entry/Exit System (EES) online tool can display a remaining authorised stay that is higher than a traveller would calculate from their complete trip history. Its own notice says the remainder does not reflect time spent in a Schengen stay that began before 10 April 2026, regardless of whether that visit finished before or after that date. The warning concerns the tool’s data, not an exemption from the short-stay rule.

That distinction matters now. Someone who entered on 1 April and left on 15 May crossed the date on which EES became fully operational. A portion of that visit can still sit within today’s rolling 180-day window even though the online remainder omits the pre-10-April-started stay. The traveller must account for those days before relying on a later trip plan. No passport number or personal travel history was entered into the EES tool for this article; the calculation below is explicitly hypothetical.

The start of the visit controls the EES caveat

The European Commission says EES began a progressive rollout on 12 October 2025 and became fully operational on 10 April 2026. The online checking tool draws a precise boundary at the beginning of a stay: if that stay started before 10 April, its time is not reflected in the displayed remaining authorised stay. A crossing or exit after 10 April does not remove this stated limitation.

The underlying rule remains a maximum of 90 days in any rolling 180-day period for a person subject to the general short-stay rule, unless a more restrictive permission applies. Each day of a proposed stay needs its own 180-day lookback. The Commission’s short-stay calculator is a way to check a complete set of entry and exit dates; it does not substitute for visa conditions or a border decision. Some travellers are outside the tool’s scope, including certain residence-permit or long-stay visa holders, so identify the applicable status first.

What 44 days look like on 28 September

Hypothetical stay from 1 April to 15 May 2026. On 28 September the inclusive 180-day lookback begins 2 April, leaving 44 days of that stay in the window. The EES online remainder does not reflect a visit begun before 10 April, although the rolling 90/180 calculation still counts relevant days.
Illustrative dates, not an EES result: a 1 April–15 May stay contributes 44 days to the 2 April–28 September 2026 lookback. Recount every trip and check any visa limit separately.

Assume one otherwise ordinary short-stay visit from 1 April through 15 May 2026, with no other visits, and ask how many of those days are still in the 180-day window on 28 September 2026. Counting both ends, that window begins on 2 April. It therefore includes 2–30 April (29 days) and 1–15 May (15 days): 44 days from the old visit. The 1 April day has already fallen out of this particular window.

If there were no other relevant stays and the general 90-day allowance applied without a shorter visa limit, this snapshot leaves 46 unused days on 28 September (90 − 44). It does not promise a 46-day uninterrupted future visit. As the proposed trip advances, the 180-day window moves and old dates fall out; other travel and visa conditions may change the answer. The Commission’s calculator manual counts both entry and exit dates as days of stay.

The arithmetic illustrates the gap in the online remainder. It does not prove what the EES service would display for a real document or determine anyone’s admissibility. That is why comparing a screen result with complete dates is more useful than guessing how many days the system “gave back”.

The separate “OK” warning concerns visa entries

The same EU notice has a second caveat. Until 6 October 2026 inclusive, an “OK” answer may be unreliable for a holder of a single- or double-entry visa who used permitted entries between 12 October 2025 and 9 April 2026 if those uses were not recorded in EES. This is an entry-use issue, not the 44-day arithmetic above. The date range, visa type, missing record and end date all matter; it is wrong to say every “OK” is invalid.

A traveller can satisfy a general day count yet have exhausted a visa’s permitted entries, or have a visa valid for fewer than 90 days. Conversely, a visa or residence status can put a journey under different rules. Keep the visa sticker, its validity dates, permitted duration and number of entries beside the trip history. The Commission warns that its general short-stay calculator is not appropriate for a visa that authorises a shorter stay.

A check sequence before booking a return trip

  • Identify the legal route. Is this a short stay under the general 90/180 rule, or is there a residence permit, long-stay visa, qualifying family-member status or another exception? A separate long-stay visa example illustrates why the label matters, although its national conditions do not answer an EES calculation.
  • Reconstruct every relevant entry and exit. Include trips that began before 10 April 2026. Enter the complete history and the proposed dates in the Commission short-stay calculator; inspect each day’s rolling window rather than treating today’s balance as a fixed future allowance.
  • Check permission separately. Read the visa’s validity, permitted duration and entries. If the temporary single/double-entry “OK” caveat fits your case, do not take that output as proof that another entry remains.
  • Resolve uncertainty with the authority. Keep evidence of travel dates and ask the competent consulate or border authority about an individual case. The final admission decision belongs to border authorities, not an online estimate.

EES and ETIAS are easy to confuse during the border-rule rollout. ETIAS concerns travel authorisation for eligible visa-exempt travellers; it does not correct an EES historical-day omission. Nor should a short-stay calculation be applied automatically to another legal route. For example, the EU temporary-protection route has its own eligibility and timing questions. Establish which permission governs the journey before calculating short-stay days.

Questions about the EES remainder

Does EES reset the 90/180-day clock on 10 April?

No. The EU warning describes what the online remaining-stay result omits. The general rolling rule still counts relevant earlier days.

Does a stay that ended after 10 April still fall under the warning?

Yes, if it began before 10 April 2026. The EU notice explicitly covers stays ending either before or after that date.

Can I use the 46 days in the example for my next trip?

No. It is a snapshot on 28 September for a hypothetical traveller with no other visits and no tighter visa condition. A proposed trip needs its own rolling-window calculation.

What does an EES “OK” mean for a single-entry visa?

Until 6 October 2026 inclusive, the EU warns that OK may be unreliable if a permitted single- or double-entry visa entry was used during the rollout and not recorded in EES. Check the actual visa entries and ask the competent authority if unclear.

Primary sources and calculation scope

Official EU sources checked 28 September 2026

The 44-day example is PolymathDesk date arithmetic, not a query of a traveller’s EES record or a legal determination. Rules and tool notices were checked on 28 September 2026.