On 13 February at 0325 zone time, your DR position is LAT 23°20'N, LONG 155°15'W. You are steering 240°T at a speed of 13.6 knots. What is the zone time of sunrise?
Official USCG Answer & Rule Citation
Correct Answer: Option B — 0657
Sunrise calculations utilize the standard celestial triangle formula incorporating latitude, declination, and time zone corrections, accounting for vessel displacement along course 240°T to determine the correct zone time of 0657.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.