In the Antarctic Circle, all places have twenty-four hours of daylight on the Summer Solstice in December. In June on the Winter Solstice all places have twenty-four hours of night. There is a minimum of one whole day that the sun does not set and one whole day that the sun does not rise.
The area south of this circle is named the Antarctic, and the zone to the north is the Southern Temperate Zone.
There is no permanent population of persons south of the Antarctic Circle. There are research centers from some nations on Antarctica. Teams of scientists live in the research centers for part of the year. In past centuries some whaling stations were set up on Antarctica and some of the whalers would live there for a year or more. At least three children have been born in Antarctica. It is one of the coldest places on earth.The lowest temperature ever recorded on earth was recorded in Antarctica (-129.3)