14 The Basis of the Time Zone: The Earth like all circles is 360˚ aroundThe Earth spins 360˚ in one day (24 hours)If we divide 360˚ by 24 hours in a day, we get 15˚ for every hour
15 The basis of Time ZonesSince the Earth moves 15˚every hour, Earth is divided into 24 time zones that are 15˚ of longitude apart.
16 Time ZonesFor convenience sake, states and countries do not always divide the time zones directly along the lines of longitude
17 Think about this…Earth Rotates counterclockwise (so that means it rotates West to East)This means that the EAST experiences the day first…Time zones to the east are later in the day then time zones in the west
19 Time Zone Problems!!1. If the time was 12:15 am in Los Angeles, California what time would it be in Bow, New Hampshire?2. If it was 9:00 p.m. in New Hampshire, what time would it be in Miami, Florida?3. About how many time zones would you pass through if you traveled 190 degrees around the earth?
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