On 31 January your 0920 zone time DR position is LAT 24°16.0'S, LONG 151°33.0'E. Your vessel is on course 258°T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)?

Question

On 31 January your 0920 zone time DR position is LAT 24&deg;16.0'S, LONG 151&deg;33.0'E. Your vessel is on course 258&deg;T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)?

Accepted Answer

Option C: 1211. LAN occurs when the Sun's LHA is 0°. Calculate the time of meridian passage by adjusting the GHA of the Sun for the vessel's longitude. Accounting for the vessel's movement on course 258°T, the time of transit is 1211, derived from the intersection of the vessel's track and the meridian.

On 31 January your 0920 zone time DR position is LAT 24&deg;16.0'S, LONG 151&deg;33.0'E. Your vessel is on course 258&deg;T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)?

On 31 January your 0920 zone time DR position is LAT 24°16.0'S, LONG 151°33.0'E. Your vessel is on course 258°T at a speed of 18.5 knots. What is the zone time of local apparent noon (LAN)?