What is the equivalent of 4°36' in time units?
Official USCG Answer & Rule Citation
Correct Answer: Option D — 18 min. 24 sec.
Arc-to-time conversion applies the ratio of 1 degree equaling 4 minutes and 1 minute equaling 4 seconds of time. Thus, 4 degrees (16 minutes) plus 36 minutes of arc (2 min 24 sec) equals 18 minutes 24 seconds.
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