Help with the Schengen visa calculation

Question

American tourist here. I understand the 180 day scheme, 90 days in (non-consecutive), 90 days out (consecutive).

Here’s the question: I enter the Schengen area on Jan 1st and leave the Schengen area on Jan 31st (30 days) leaving me 60 Schengen days unused. Can I wait outside the Schengen for an extended amount of time, say 5 or 6 months, and then arrive in the Schengen area with my 60 days still usable?

Answer 1

Yes, if I understand correctly.

When you enter (every time), you count 90 days: you should exit by that day (or before that). But you should also count 180 days. You should never been in Schengen more then 90 days during these 180 days. Note: if you enter several times in Schengen area, you should count separately the 180 days periods, so you should check that for every 180 period still valid, you have no more than 90 days in EU.

But you cannot report unused 90 days for a successive period. The count are reset, and restarted again.

Answer 2

If you enter the Schengen Area in the 1st and leave on the 31st of January

• then that is 31 days, since the enter/exit days count as full days

you then have 59 days left that you can use.

If you (re-) enter on the 1st of June and stay 10 days = 10th June

10th June - 180 days = 12th of December

How many days inside Schengen Area since 12 December

• 31+10=41 days used

41 <= 90

• valid exit day

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Proposed-exit-day - 180 days = start-date

Count days inside Schengen Area between both dates (inclusive)

Result <= 90

• valid exit day