Which of the following time zones is not observed in the United States?

Which country is larger, Egypt or Turkey? Is the country of Laos bigger than the country of North Korea? Which country has a larger land area, Zambia or the United Kingdom? Is the country of Nepal larger than the country of Bhutan? What is the time zone of the Chatham Islands, New Zealand? Which time zone is observed in the state of Hawaii, USA? What is the time zone offset for India? What time zone is observed in the Australian state of Western Australia?