The mistakes readers make most often
Forgetting earlier travel inside the relevant window, assuming movement between countries resets the count and adding extra days casually near the end of a trip are all common problems.
Why these mistakes happen
Because the trip is often planned emotionally at first and mathematically later. That order works badly when legal stay limits are involved.
How to avoid the same problems
Track dates carefully, confirm country status before planning mixed routes and keep an updated count whenever you change the itinerary.

