Question 1651Navigation General
70% to passYour longitude is 179°59'W. The LMT at this longitude is 23h 56m on the 4th day of the month. Six minutes later, your position is 179°59'E longitude. Your LMT and date are _______________.
A
23h 50m on the 5th
B
00h 02m on the 4th
C
00h 02m on the 5th
D
00h 02m on the 6th
AI Explanation
The correct answer is D) 00h 02m on the 6th. When crossing the 180th meridian, the date changes. Since the longitude changes from 179°59'W to 179°59'E, the ship has crossed the 180th meridian and the date changes from the 4th to the 5th. The time also changes by 24 hours, as the ship has now entered the next day. Therefore, the local mean time (LMT) 6 minutes after crossing the 180th meridian is 00h 02m on the 6th day of the month. The other answer choices are incorrect because they do not correctly account for the date and time change when crossing the 180th meridian.
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