On 5 May your 1800 ZT DR position is LAT 26°11.5'N, LONG 65°35.0'W. You are on course 270°T at a speed of 12 knots. What will be the ZT of sunset at your vessel?
Official USCG Answer & Rule Citation
Correct Answer: Option C — 1857
Calculating sunset involves extracting tabular data from the Nautical Almanac for 5 May, applying latitude corrections, and adjusting for the time difference corresponding to the vessel's longitude, giving 1857 zone time.
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