At 0327 ZT on 29 May, your DR position is LAT 25°00'N, LONG 64°15'W. You are steering 270°T at a speed of 13.6 knots. What is the zone time of sunrise?

Correct Answer: Option C — 0529

Utilize the Nautical Almanac sunrise tables for the given latitude and date. Calculate the vessel's position at the approximate sunrise time using the DR method. Apply the longitude correction factor to convert the tabular time to the vessel's local zone time, confirming 0529 as the correct value.