At 1800 zone time, on 7 December, your DR position is LAT 22°48'S, LONG 91°26'W. You are steering 320°T at a speed of 14.0 knots. What is the zone time of sunset?

Correct Answer: Option B — 1842

Consult the Nautical Almanac sunset tables for 7 December at the vessel's latitude of 22°48'S. Apply the necessary interpolation for latitude and the correction for longitude relative to the zone meridian. The resulting calculation confirms the local zone time of sunset is 1842 for the vessel's position.