Is Latitude The horizontal line?
Latitude and Longitude lines are a grid map system too. But instead of being straight lines on a flat surface, Lat/Long lines encircle the Earth, either as horizontal circles or vertical half circles. Horizontal mapping lines on Earth are lines of latitude.
The easiest way to remember the difference between latitude and longitude is by associating the terms with different parts of a ladder. Lines of latitude run east and west. To remember, think of the rungs of a ladder (which sounds somewhat similar to latitude) which run across, connecting the two longer pieces.
- Latitude: it is the North/South value of a point on Earth. Any point on the Equator's circle is of latitude 0°, the top north is 90° North, the top south is 90° South. Circles parallels to the Equator are of the same latitude. Longitude: it is the West/East value of a point on Earth.
- Start with your line of latitude, writing the degrees, then the minutes, then the seconds. Then, add the North or South as the direction. Then, write a comma followed by your line of longitude in degrees, then minutes, then seconds. Then, add East or West as the direction.
- Latitude is written before longitude. Latitude is written with a number, followed by either “north” or “south” depending on whether it is located north or south of the equator. Longitude is written with a number, followed by either “east” or “west” depending on whether it is located east or west of the Prime Meridian.
Latitude is an angle (defined below) which ranges from 0° at the Equator to 90° (North or South) at the poles. Lines of constant latitude, or parallels, run east–west as circles parallel to the equator. Latitude is used together with longitude to specify the precise location of features on the surface of the Earth.
- A2A — They are also known as “meridians.” Zero degrees longitude is called the Prime Meridian, as it is the line from which other meridians are calculated. Bonus answer: Another name for lines of latitude is “parallels,” so called because lines of latitude run parallel to each other (lines of longitude do not.)
- Important lines of latitude:
- the equator (0°)
- the Tropic of Cancer (23.5° north)
- the Tropic of Capricorn (23.5° south)
- the Arctic circle (66.5° north)
- the Antarctic circle (66.5° south)
- the North Pole (90° north)
- the South Pole (90° south)
- Degrees of latitude are parallel so the distance between each degree remains almost constant but since degrees of longitude are farthest apart at the equator and converge at the poles, their distance varies greatly. Each degree of latitude is approximately 69 miles (111 kilometers) apart.
Each of these longitudes is called a degree. The 0 degree longitude passing through Greenwich, near London, is considered as standard and the time of all other time zones are calculated accordingly. The time difference between each longitude (each degree) is 4 minutes.
- The primary unit in which longitude and latitude are given is degrees (°). There are 360° of longitude (180° E ↔ 180° W) and 180° of latitude (90° N ↔ 90° S). Each degree can be broken into 60 minutes ('). Each minute can be divided into 60 seconds (”).
- Because one day is 24 hours long one can easily use time to calculate longitude. One hour of time difference corresponds to 15° of longitude (360°/24 hours = 15°/hour). Suppose an observer sets his accurate watch to 12:00 at noon in Greenwich, England and then travels a great distance.
- Latitude is an angle (defined below) which ranges from 0° at the Equator to 90° (North or South) at the poles. Lines of constant latitude, or parallels, run east–west as circles parallel to the equator. Latitude is used together with longitude to specify the precise location of features on the surface of the Earth.
Updated: 19th September 2018