Which time zone is used in Dubai?

Which time zone is also known as BST? Which city is NOT in the UTC+0 time zone? Which city is NOT in the UTC+1 time zone? What is the time zone offset for Bangkok? Which city is in the UTC-4 time zone? What time zone is New York City in? What is the time zone of the Azores? Which time zone is used by both Iceland and the United Kingdom?