Time difference : -7h (GMT+2)
Currency : Dollar (USD)
Language : English is the official language with an important American Indians minority in some big cities.
Climate : The best period to go to Wisconsin is in Autumn, when temperatures are the mildest, and rain, frequentless. Winter is often hard.
Formality : A biometric passport is required to go to USA. A type « Delphine passport » is also valid provided that it has been obtained at the latest October, 26th 2005. Since 2010, you have to request an electronic travel authorization ESTA (Electronic System for Travel Authorization) before the departure. You have to fill out a form in English on the ESTA website.