When the circle of illumination just touches the Arctic Circle and the North Pole is dark, the date is closest to the winter solstice, which occurs around December 21st. On this day, the Northern Hemisphere experiences the shortest day and longest night of the year, resulting in continuous darkness at the North Pole and areas within the Arctic Circle.
Temperate Rainforests grows closest to the arctic circle
Greenland
The Arctic Circle crosses North American, European, and Asian territory.
The Arctic Circle passes through Alaska. It also passes through Canada's northern territories, Greenland, Iceland, Norway, Sweden, Finland, and Russia.
Yes, on December 22nd, which is the winter solstice in the Northern Hemisphere, the Arctic Circle is outside of the circle of illumination. During this time, areas within the Arctic Circle experience polar night, where the sun does not rise above the horizon. Consequently, these regions remain in darkness for 24 hours, while areas outside the circle continue to receive daylight.
The Arctic Circle runs through Greenland.
The Antarctic Circle never receives direct sunlight. The closest it ever gets is on December 21, when the sun ascends to 43 degrees away from being overhead at noon on the Antarctic Circle. But that's the highest the sun can ever get there.
Inverness
Fairbanks
Rovaniemi (in Finland)
Inuits
Rovaniemi