Lattitude and LongitudeLattitude and Longitude

ObjectivesObjectives1: Differentiate between latitude and longitude.1: Differentiate between latitude and longitude.2. Describe how latitude and longitude are used 2. Describe how latitude and longitude are used

to identify different locations.to identify different locations.3. Calculate the time and date in different time 3. Calculate the time and date in different time

zones.zones.

Latitude East/WestLatitude East/West

• Latitude is the imaginary lines that separate the Latitude is the imaginary lines that separate the world laterally.world laterally.

• The equator is the center of these imaginary lines.The equator is the center of these imaginary lines.• This is used in conjunction with longitudes to This is used in conjunction with longitudes to

determine your precise location on the planet.determine your precise location on the planet.

Longitude North/SouthLongitude North/South

• Longitude is the imaginary vertical lines Longitude is the imaginary vertical lines that separate the earth.that separate the earth.

• The Prime meridian is the center of these The Prime meridian is the center of these imaginary lines, it is located imaginary lines, it is located

Earth Time-Times ZonesEarth Time-Times Zones

• Earth is divided into 24 time zones.Earth is divided into 24 time zones.• Each zone is one hour ahead of the zone to the right.Each zone is one hour ahead of the zone to the right.• The International date line is located between Alaska The International date line is located between Alaska

and Russia.and Russia.• As you can see the time zones are not absolute, they As you can see the time zones are not absolute, they

curve around countries and major cities.curve around countries and major cities.

Calendar Dates Calendar Dates

• The International Date Line The International Date Line separates the day. So it can be separates the day. So it can be Sunday in Russia, but Monday in Sunday in Russia, but Monday in Alaska. Alaska.