Which time zone is also known as Zulu Time?

Which time zone does NOT use daylight saving time? What is the time zone offset of Moscow, Russia? What is the time zone of Rio de Janeiro, Brazil? What is the time zone of Tokyo, Japan? Which city is in the UTC-8 time zone? What is the time zone of Cairo, Egypt? Which time zone is also known as BST? Which city is NOT in the UTC+0 time zone?