Map Skills Time Zones Longitude Lines run east and west. Time Zones run in the same direction as longitude lines. Vocabulary A time zone is a region of the earth that has the same time. There are 24 time zones. Time Zones The times zones are generally divided by 15⁰ longitude. The time zones are separated by blue lines on this map. Vocabulary The International Date Line is an imaginary line on the surface of the Earth where the date changes as one travels east or west across it. There are six time zones in the United States of America. The United States Time Zones Louisiana is located in the Central Time Zone. The United States Time Zones What time zone is South Florida located? The United States Time Zones What time zone is California located? The United States Time Zones Name the ocean closest to the Eastern Time Zone. The United States Time Zones Each neighboring time zone differs by one hour. What time is it in the Pacific Time Zone? The United States Time Zones If it is 10:00 in the Eastern Time Zone what time would it be in the Mountain Time Zone? The United States Time Zones If it is 10:00 in the Pacific Time Zone what time would it be in the Eastern Time Zone?