Transportation, maps, time zone
Traditionally, Germany has an extensive infrastructure of public transport. Buses and trains are operated throughout the country. Public transport gets you quickly from one big city to next, but also into the most remote of places in the countryside that you may want to visit.
1. Travel by train with the German national railway 
Deutsche Bahn - DB
2. Travel by plane: here is a site listing German airports
3. A map of Germany can be found here (selct Map in left-hand frame)
and
Germany has one time zone, Central European Time (CET), details are