Sunrise and sunset times, day length in Amundsen-Scott South Pole Station, Antarctica

Sunrise and sunset calendar — Amundsen-Scott South Pole Station, Antarctica

Twilight calendar — Amundsen-Scott South Pole Station, Antarctica

During civil twilight the geometric center of the sun is between 0 and 6 degrees below the horizon. Objects are clearly distinguished without artificial light.

During nautical twilight the center of the sun is between 6 and 12 degrees below the horizon. Sailors can navigate, using a visible horizon as reference.

During astronomical twilight the center of the sun is between 12 and 18 degrees below the horizon. Between the end of astronomical twilight in the evening and the beginning of astronomical twilight in the morning, the sky is dark enough for all astronomical observations.

Amundsen-Scott South Pole Station, Antarctica