Right at the South Pole- yes. Same thing applies to the North Pole. As you move away from the Pole, days and nights do get shorter/longer, but are still very different in length.
Another Answer
All of Earth south of 60 degrees South latitude experiences at least one 24-hour period where there is either no sun rise or no sun set. Antarctica covers 10% of the Earth's surface -- about as large as USA and Mexico combined. The duration of squential days or nights, with or without sun, depends on where you are on the continent.
At the South Pole, there is one sunrise and one sunset per year, where indeed, there is a six-month period of no sunsets.
At other locations, this period is shorter, so that as far north as the Antarctic Circle, the period of no sunrises/sunsets lasts only one 24-hour period.
Only at or close to the South Pole will there be 6 months of daylight, and nearly 6 months of night.
The Earth is tilted on its axis with respect to the plane of its orbit. The ends of that axis, the poles, must be either tipped toward the Sun, or tipped away from the Sun. As the Earth spins, the pole facing the Sun is always in sunlight, and the pole facing away has none. Only 1/2 of a planet can be illuminated at a time, and except on one or two days twice a year, the North Pole and South Pole are never both in daylight. At the equinoxes, the Sun may be visible from both poles.
When Antarctica is tipped toward the Sun (approximately September 21 to March 20, summer in the Southern Hemisphere), the Sun is up continuously, circling the horizon. Beginning on March 21, the sun does not rise above the horizon until the following September.
The phenomenon that you describe only occurs at the South Pole -- 90 degrees S. The same is true of the North Pole -- 90 degrees N.
Otherwise, the closer you are to the 66 degrees of polar latitude, the shorter these periods become. At 66 degrees of polar latitude, the duration is one 24-hour period.
This is caused by the earth's seasonal tilt away from the sun.
Antarctica does have 6 months of daylight and 6 months of darkness
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iT SnOwS
Your answer depends on where you are on the continent. The number of hours could be one 24-hour period, or it could be six months of no sunset.
Yes. In fact, for up to six months at the South Pole, every summer, Antarctica experiences at least one 24-hour period of sunlight each day.
Regularly, all of the continent of Antarctica lies beyond the Antarctic Circle, which marks the latitude where there is at least one 24-hour period of no sunrise/ sunset annually. Depending on where you are on the continent, the period can be up to six months, which occurs at the South Pole.
Commonly, the 'shortest day of the year' everywhere is the day when there is the least amount of direct sunlight. On Antarctica the 'shortest day of the year' may contain no sunlight, because the sun doesn't rise -- or set -- every day south of the Antarctic Circle.
Antarctica has its longest days in December, which is summer in the southern hemispher, and its longest nights in June, which is winter. At the Pole, the sun never rises during the shortest days and never sets during the longest days.
Antarctica has just two seasons: summer and winter. Antarctica has six months of daylight in its summer and six months of darkness in its winter. The seasons are caused by the tilt of Earth's axis in relation to the sun. The direction of the tilt never changes. But as the Earth orbits the sun, different parts of the planet are exposed to direct sunlight. During summer, Antarctica is on the side of Earth tilted toward the sun and is in constant sunlight. In the winter, Antarctica is on the side of Earth tilted away from the sun, causing the continent to be dark. During the Southern Hemisphere summer (Dec 21 to March 22), the Antarctic continent south of the Antarctic Circle experiences at least one 24 hour period of daylight. At South Pole, there is no sunset for six months. During the Southern Hemisphere winter (June 21 to Sept 22), the Antarctic continent south of the Antarctic Circle experiences at least experiences one 24 hour period of darkness. At the South Pole, there is no sunrise for six months.
They lasted almost a year, not six months.
Antarctica is a polar environment almost totally included in the Antarctic Circle. From the Antarctic Circle to the South Pole, these geographies experience at least one 24-hour period and up to six months at Pole, of no sunset/ sunrise. Antarctica is covered by an ice sheet that contains about 70% of the earth's fresh water and about 90% of the earth's ice.
Your answer depends on your location on the continent. At the extreme, six months at the South Pole.
Six months
There is little or no sun on Antarctica for about six months each year.