Here's why this is important:

* Time Zones: Because of its location east of the IDL, French Polynesia is in the same time zone as the easternmost part of the United States (Hawaii). This means that while it's morning in France, it's already evening in French Polynesia.

* Date Differences: When crossing the International Date Line from west to east (as you would traveling from Asia to French Polynesia), you lose a day. This means if you leave a country west of the IDL on a Monday morning, you would arrive in French Polynesia on Sunday evening.

To be more specific:

* The largest island, Tahiti, sits roughly 15 degrees west of the International Date Line. This means it's several time zones to the east, putting it on the same time zone as Hawaii (UTC-10).

* Other islands in French Polynesia are further west, but all fall within the same time zone as Tahiti.

So, while the exact geographical location of each island varies, all of French Polynesia lies on the eastern side of the International Date Line.