The German flag is black, red, and yellow. Germany is located in central Europe, with its capital city of Berlin. The Rhine River flows north through Germany and is known for its wines. The Black Forest, located in southwest Germany, is now a popular place for snowboarding. New Year's Eve in Germany is called Silvester and is associated with Saint Silverstar from the 4th century; champagne is often consumed. In German schools, uniforms are not required, classes run from 8am to 2pm, and children receive cardboard cones filled with sweets at the end of the day. Christmas traditions include celebrations starting on December 5th and two versions of Santa, as well as families giving homemade gingerbread houses.