In order to apply the 90-day / 180-day rule, a computer has been developed for the general public and Member State authorities. The computer is only an aid tool and does not constitute a right of residence for a period resulting from its calculation. It is always the responsibility of the competent authorities of the Member States (especially the border guards) to implement the provisions and to take a decision on the length of the authorized stay or the overrun.
Online short stay visa calculator
31 January 2022