Traditional Culture Encyclopedia - Traditional stories - From Dalian to Holland, why can the Arctic route save 10 more days than the traditional route? The distance on the map is similar. Is it an ocean current?

From Dalian to Holland, why can the Arctic route save 10 more days than the traditional route? The distance on the map is similar. Is it an ocean current?

First of all, you should pay attention to this map, which is obvious when you look at it with a globe. The traditional route is along the low latitude and the length is much longer. The arctic route is equivalent to going back and taking a shortcut.

Maybe this calculation is more obvious.

According to the normal speed of the cargo ship, it is between 15-20 knots = 28km-37km/h, with the lowest value of 28km/h, 33 days in the Arctic Circle, 33 * 28 * 24 = 22 176km in the Arctic Circle, and the traditional route (33+ 12