Good evening lovely StackExchange forum!
First of all sorry if this question has been asked already, I didn't find an appropriate answer searching through the internet on my own and got confused a lot.
I've met someone who doesn't have an European passport.. and of course I fell in love with her and want to meet her again. She luckily decided the same. She entered the Schengen Area on the 03.10 and left on 12.12.2018, so she stayed for 71 days and her 180 days period ends on the 31.03 if I am counting correctly.
So my question is, could she use those leftover 19 days to "extend" her upcoming new tourist visa? Like arriving the 13.03, using the 19 days and then start the new 90/180 days period. If yes, does she has to stay 1 day out of the Schengen Area and reenter, or what would you suggest to take care about/ how to do it?
Thanks a lot for any answer in advance, you will help in the name of love haha
Trebuh
The edit:
Hello, I still don't find an appropriate answer on my own or I seem to not understand the other answers properly, I am not a native speaker and got problems with the level of explanation of some of the answers. Also it would be very nice if you answer my actual question, as the 180 day period never ends / there is no single 180- day period doesn't help me, it confuses me as I find different opinions about that. I was simply asking if the given case is possible and if yes, if she has to leave the Schengen room for a day. The question is really easy. Thank you.