Times zones were introduced to provide a standard and universal means of telling the time. After many improvements in the way time was told between regions, a system that works was finally established. There are many interesting and surprising facts about time zones. For example, many large countries around the world, including the United States, have several time zones running through them. Also, the phenomenon of jet lag as someone flies across different time zones is one that has been the subject of a lot of studies and myths. The continent of Antarctica is a particularly interesting topic when it comes to time zones and telling the time because of its unique location.
Time Zones and Lines of Longitude
Early time keeping relied a measurement of time known as solar time. With time, this method became unsuitable for its purpose. The variations were too great between different regions, making it difficult to plan and schedule. People needed a standard method. The railway and telecommunications industries were particularly affected by this. They had to be a way to schedule and tell time across the board. In 1863, Charles F. Dowd proposed a system of standard time zones to be used in the United States to improve the railway industry. This system was later improved and extended to the whole world by Quirico Filopanti, an Italian mathematician, and was supported by a Canadian engineer, Sandford Fleming. In 1675, Greenwich Mean Time (GMT) was established in England to provide a standard reference time, particularly to help mariners at sea.
Regions that a particular time zone runs through follow that time zone, allowing a standard system. There are around 39 different time zones, and these run along the imaginary lines known as the lines of longitude. Together with the lines of latitude, these provide vital information for geographical location. Long before GPS technology, these lines facilitated the travels of many explorers and travelers. Lines of latitude and longitude were important for creating maps, and they allowed explorers to identify where they had made discoveries and to find their way back home.
Today Coordinated Universal Time (UTC) serves as the world’s standard for time. All of the world’s clocks are regulated according to it. It falls along the 0° longitude also known as the Greenwich Meridian or Prime Meridian.
How Time Zones Work in Antarctica
The continent of Antarctica is the Earth’s southernmost continent. It is mostly covered in ice and rock and contains about 90% of the Earth’s ice. In terms of size, Antarctica is a little less than 1.5 times the area of the United States. Antarctica is largely uninhabited, although it does have a number of base stations that have been set up there giving it a population of just over 1,000.
The geographical South Pole is located in Antarctica. This means that all the imaginary lines of longitude that run from the North Pole to the South Pole are found in Antarctica. This presents a slight challenge because this one continent has every time zone passing through it.
Time zones in Antarctica are determined by a few factors. Because the area is not a place where people live and settle permanently like other continents, time zones and time in Antarctica are not always of major local significance. For the base stations that are located on the continent, they use the time zones of their parent countries to tell the time. Alternatively, they may opt to use the time of their supply base. For areas without a base, there may be no people and no clocks there. These areas are collectively designated in UTC time