The parallel of latitude at 66°33'N is the __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — Arctic Circle
Per Bowditch, the parallel of latitude located at 66°33'N defines the Arctic Circle, marking the southernmost latitude where the sun may remain continuously above or below the horizon for 24 hours.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.