On 8 August your 0400 ZT DR position is LAT 23°16.0'S, LONG 105°33.0'W. You are on course 295°T at a speed of 25 knots. What will be the zone time of sunrise at your vessel?

Question

On 8 August your 0400 ZT DR position is LAT 23&deg;16.0'S, LONG 105&deg;33.0'W. You are on course 295&deg;T at a speed of 25 knots. What will be the zone time of sunrise at your vessel?

Accepted Answer

Option C: 0636. Calculate the time of sunrise using the Nautical Almanac for the given date and latitude. Adjust the tabular time for longitude by applying the conversion of arc to time (15° = 1 hour). Interpolating for 23°S latitude yields the zone time of 0636, accounting for the vessel's movement.

On 8 August your 0400 ZT DR position is LAT 23&deg;16.0'S, LONG 105&deg;33.0'W. You are on course 295&deg;T at a speed of 25 knots. What will be the zone time of sunrise at your vessel?

On 8 August your 0400 ZT DR position is LAT 23°16.0'S, LONG 105°33.0'W. You are on course 295°T at a speed of 25 knots. What will be the zone time of sunrise at your vessel?