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A Simple Guide To Longitude and Latitude Lines

  • 5 min read
Longitude and Latitude Lines

In this guide, you will learn all about longitude and latitude lines and how they are revolutionizing our world.

In the past, finding longitude or latitudes was a difficult task that required a lot of time and calculation. However, with the advent of GPS technology, it is now really easy to know your exact coordinates.

What are Longitude and Latitude Lines?

Latitude lines are vertical lines on a map that are parallel to the Equator. They are perpendicular to lines of longitude.

Longitude lines are horizontal lines on a map that are parallel to the Prime Meridian at Greenwich, England. They are perpendicular to parallels of latitude.

To know more in brief below are the complete details of Longitude and Latitude Lines.

What is Latitude?

Latitude is measured in degrees. It is expressed by a decimal number with a degree sign after it, for example, 40°N or -27°S. Latitudes are said to be “north” or “south” of the equator depending upon their orientation in relation to it. The further north or south you go, for instance, 100°N or 100°S respectively, the greater your latitude value becomes.

lines of latitude
lines of latitude

What is Longitude?

Longitude lines are the imaginary lines running from the North Pole to the South Pole, with 0 degrees of longitude being at Greenwich in England. Similarly, latitude lines are imaginary lines running from the equator to both poles, with 0 degrees of latitude being at the equator.

lines of longitude
lines of longitude

Read More: What Is A Map Projection? Different Types of Map Projection and How to Choose?

Comparison: Latitude vs Longitude

Here is the comparison between Latitude vs Longitude Lines:

Comparison

Latitude

Longitude

Directions

East To West

North To South

Parallel Lines

Yes

Not Parallel

Number of Lines

180

360

Ranges

0 to 90°

0 to 180°

Symbol

ɸ (phi)

λ (lambda)

Classifies

Heat Zone (Temperature)

Time Zone

Length of Lines

Different

Same

Notable Lines

Equator, Tropic of Cancer, Tropic of Capricorn

Greenwich Meridian

Meridians and Parallels

Equator-Tropic of cancer-Tropic of capricorn
Equator-Tropic of cancer-Tropic of Capricorn

A Meridian is a line of longitude on the Earth’s surface. It is an imaginary line running around the Earth from the North Pole to the South Pole, passing through both poles. A meridian is a north-south axis of a sphere whereas a parallel can be north-south or east-west. The Northern and Southern Hemispheres are divided by longitudinal meridians whereas parallels are used to divide each hemisphere according to their latitude ranges.

A Parallel is a circle of latitude on the planet’s surface. It is an imaginary circle around the Earth that passes through both poles and has its centre on or near one of the poles.

Where is the Equator?

The equator is an imaginary line around Earth, dividing the earth into a northern and southern hemispheres. It is located at 0° north or south latitude on the Earth’s surface.

Where Is The Tropic of Cancer Located?

The tropic of cancer is located on the equator at 23.5 degrees North. The earth’s tilt of 23.5 degrees on its axis causes this phenomenon to happen, due to the sun’s position in relation to the earth during different seasons of the year.

Tropic of Capricorn Degrees

The Tropic of Capricorn is a circle of latitude that defines the most southerly point at which the sun may appear directly overhead at its zenith. It is situated about 66 degrees south of the Equator, and it passes through southern Africa, where it crosses from east to west.

In South Africa, the Tropic of Capricorn falls on December 22 each year – this is known as the “summer solstice for the southern hemisphere”.

Where Is The Arctic And Antarctic Circle Location?

The arctic circle is an imaginary line that marks the northernmost point of the sun’s annual migration. The arctic circle is located at 66.33 degrees north latitude and it marks the northernmost point on the Earth where the sun can appear directly overhead at noon on December 21st.

The antarctic circle is a similar imaginary line, but it marks the southernmost point of the sun’s annual migration.

What Is Prime Meridian Line?

The prime meridian is the starting point for time zones around the world. It originates from Greenwich, England.

It also marks the location of the International Date Line (IDL) which divides one day into two halves. This line is important to understand in order to be able to understand all other time zones.

Conclusion

Longitudes And Latitudes lines are used to locate places on the Earth’s surface.

The first thing people would do is to use a map to find out where they are (to get their coordinates) and then to see if they can find any other place, or other cities, or other countries, or other continents on the map.

FAQ: Longitude and Latitude Lines

How Do Longitude and Latitude Lines Work Together to Define Coordinates?

Latitude and longitude lines are used to define coordinates on a map. Latitude lines are created by the intersection of the equator and a meridian. Longitude lines are created by the intersection of two meridians. Lines on a map represent latitude and longitude in degrees, minutes, and seconds from the equator.

Why Longitude and Latitude Lines are Important?

Latitude and longitude lines are important in maps. They help people find locations on maps. The Latitude lines tell you about the location’s east-west position, while the Longitude lines tell you about the location’s north-south position.

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