Maritime Reader

MARITIMEINTELLIGENCEDAILY11 MAY 2026 MONDAY
CrewMarine Insight (YouTube)·over 6 years ago

Longitude and Time

Marine Insight (YouTube)

#Dlong #longitude #navigation DIFFERENCE IN LONGITUDE or D'long between two places is the shortest arc of the equator or the smaller angle at the poles contained between the meridian through the two places. in the calculation of Longitude and time, D'long is named East or West according to direction from the first pla