What is the name of the time zone used in France?

Which time zone is used by both Iceland and the United Kingdom? What time zone is the state of Queensland, Australia in? What is the time difference between New York and Los Angeles? Which time zone is used in Australia's eastern states during the summer months? Which time zone is used in Japan? What is the time difference between London and Tokyo in winter? What is the name of the time zone used in South Africa? What is the time difference between New York and Chicago?