What is the time zone of Cairo, Egypt?

What is the time zone of Rio de Janeiro, Brazil? What is the time zone of Tokyo, Japan? Which time zone is also known as Zulu Time? Which city is in the UTC-8 time zone? 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?