Since the Earth is a sphere (ball-shaped), you can leave LA in any direction
and eventually wind up at the IDL. But the shortest way to reach it is by
heading out from LA toward the northwest. That way, the trip is only
3,239 miles .
The Prime Meridian and the Internation Date Line
East
east-bound
the international date line was called International date line because it is a line that cut the globle into two that is W and E.Answer:When travellers first circumnavigated the world they found that they had "added" a day to their logs (Everybody at home thought it was Sunday when their logs said it should be Monday). This was due to their traveling West against the Earth's rotation. To correct for this their was an agreement what when travellers crossed a line in the middle of the Pacific (where it didn't matter) they would adjust their calenders. As everyone agreed to this the "dateline" was "internationally" accepted. It was convenient to make the the Date Line opposite the Prime Meridian
chorva
1/2 of the earth's surface, in each direction.
Roughly 115 degrees in one direction, 245 degrees in the other direction.
Tonga, while physically located in the Western Hemisphere, is actually considered in the Eastern Hemisphere for purposes of calculating the date. The international date line, which normally runs along the 180th line of longitude, swings in an easterly direction around Tonga and then back to the 180th line of longitude.
You either gain or lose a day - depending on which direction you're travelling.
If you cross the International Date Line in the right direction, you can have a 48 hour birthday!
the international date line
If you leave Los Angeles Sunday you would arrive in Sydney on Monday. You would lose a day after you crossed the international date line.