Tahiti is south of the Equator, mid way between Los Angeles California, and Sydney Australia. It is in the same time zone as Hawaii.
The main languages spoken through French Polynesia are Tahitian and French.
You will find in the hotels and restaurants that English is spoken, however the local people do appreciate it when their guests at least make an attempt to learn a few of their words. They are very willing to teach anyone who is willing to learn, and they will do it with lots of smiles and big laughs.
In terms of entry requirements to French Polynesia, every visitor must have a return airline ticket to their home country or at least two more following destinations. In addition if required they must show evidence of sufficient funds to support themselves in French Polynesia.
For most visitors, who are tourists, you will need a passport that has six months to run, except US, Canadian, Australian, and New Zealanders where three months is sufficient.
The only exceptions to this, where visas are obligatory are tourists from Israel, Brazil, Venezuela, and Panama. In some other cases visas are required for stays of over one month, and in other...