Italy is a peninsula covering 301,401 km2, and surrounded by the Mediterranean Sea. The population is about 59,5 million according to Report ISTAT Census 2011. The climate is mainly Mediterranean: in the north of the country winters are cold and summers are warm. In Central Regions the climate is milder and in the South and in the islands winters are never particularly harsh, and Spring and Autumn temperatures are approximately equal to those reached in the summer in other areas of Italy. Italy is in the time zone of UTC+1, but during the period from March to October the clock changes to UTC+2.