roughly 66.56 degrees North
Latitude maps include both the Arctic and Antarctic Circles.
Both these lines of latitude are about 66 degrees.
The latitude is 66 degrees 33 minutes north.
They are both at 66 degrees 32 minutes, either South Latitude or North Latitude.
They don't. The Arctic and Antarctic Circles are parallel. Each circle has only a single latitude. The first is at 66.5° north latitude, 23.5° from the north pole. The second is at 66.5° south latitude, 23.5° from the south pole. They're 133° apart everywhere, and never meet.
The Arctic Circle is 66.5 degrees north. The Antarctic Circle is 66.5 degrees south.
They are specially marked because, they are the most north and south on the lines of latitude. During the summer solstice, the sun beams directly on these points ( the two arctic circles)
All lines of latitude are taken as standard. These lines of latitude, however, do wobble with the Earth's wobble.
The Arctic Circle is one of the five major circles of latitude that mark maps of the Earth. In 2012, it is the parallel of latitude that runs 66° 33′ 44″ (or 66.5622°) north of the Equator.
Temperature depends on latitude because when you are closer to the equator it's hotter, but when're closer to the arctic circles it will be colder.
The Arctic circle is 66 33′ 39″ north and the Antarctic is the same south of the equator.Every longitude crosses both circles.
You may be looking for the Antarctic Circle, but all of the demarcations of latitude and longitude are circles.