When you travel from southern Ecuador to northern Ecuador you go from the southern hemisphere to northern hemisphere How can this be?

That's no problem at all, and it should cause you no concern. When you travel

from southern Ecuador to northern Ecuador, your route must cross the equator.

The equator crosses Ecuador, and is defined as the boundary line between the

northern and southern hemispheres. Consequently, part of Ecuador is in the

northern hemisphere, while the rest of that country is in the southern one, and

when you travel between those two parts of the country ... via either the shorter

route or the longer one ... you also cross the line between those two hemispheres.