On 27 August your 0900 zone time DR position is LAT 24°25.0'N, LONG 94°20.0'W. Your vessel is on course 071°T at a speed of 20.0 knots. What is the zone time of local apparent noon (LAN)?
Official USCG Answer & Rule Citation
Correct Answer: Option D — 1214
Calculate the time of LAN by determining the difference between the vessel's longitude and the longitude of the time zone meridian. Apply the Equation of Time (EoT) from the Nautical Almanac. The vessel's movement toward the east advances the LAN time, resulting in 1214 zone time.
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