10,751 total views, 2,087 views today
What is the Geographic Grid?
On the off chance that you take a gander at a globe, you will see a few lines drawn on it vertically just as on a level plane. These lines are nonexistent lines and are known as the geographic lattice. This framework was made so as to effectively depict an area on the Earth.
The geographic matrix is comprised of lines of scope, otherwise called parallels, and lines of longitude, otherwise called meridians.
What is the Prime Meridian?
We all have perused that the Equator is a fanciful line that partitions the Earth into two sections – Northern and Southern Hemispheres.
Likewise, we additionally have another fanciful line called the Prime Meridian that partitions the Earth into Eastern and Western Hemispheres. Now and again, it is additionally alluded to as the Greenwich Meridian.
This fanciful line goes through three landmasses – Europe, Africa and Antarctica and four noteworthy nations – United Kingdom, France, Spain and Western Africa.
The Prime Meridian, as it goes through Greenwich, England, is viewed as 0 degrees longitude.
What is Greenwich Meridian Time?
We realize that the Earth is round and that it takes 24 hours to finish one turn around the sun. The side confronting the sun for a large portion of multi day/a large portion of a turn is in light, while the side confronting ceaselessly has night. Individuals living in various pieces of the world can’t have a similar time.
Nations everywhere throughout the world are isolated into 24 time zones, in light of longitudinal queues. Greenwich Mean Time or GMT is the clock time at the Royal Observatory in Greenwich, London. GMT is currently a-days likewise alluded to as Universal Coordinated Time, or UTC.
At the point when the sun is at its most elevated point over the Prime Meridian, it is 12:00 early afternoon at Greenwich.
What is the International Date Line?
The longitude at 180 degrees from the Greenwich Time Line is known as International Date Line. It was assigned in 1884. On the off chance that you travel west from the International Date Line, you include multi day, and on the off chance that you travel east from the International Date Line, you subtract multi day.
3 Fun certainty about the International Date Line
- Ferdinand Magellan(Born 1480 – Died 1521), a popular ocean traveler set out sail around the Earth. His mariners kept a cautious record of time and dates as they voyaged. However, when they returned to the spot from where they had begun, they saw that their schedules were off by one day. What had occurred?
- All things considered, the day was not lost without a moment’s delay; it was lost gradually, as they cruised over the planet.
- The clarification is basic; in the event that you remain at one spot, multi day goes on for 24 hours, however on the off chance that you traverse the Earth, you may include or lose multi day in your schedule, contingent upon the heading in which you are voyaging!